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HG/T 20537.3-1992 Technical requirements for austenitic stainless steel welded steel pipes for chemical plants
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HG/T 20537.3-1992 Technical requirements for austenitic stainless steel welded steel pipes for chemical plants HG/T20537.3-1992 St
2024-10-04 category：Chemical industry standards (HG)+ View
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HG 20537.2-1992 Technical requirements for austenitic stainless steel welded steel pipes for shell and tube heat exchangers
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This standard specifies the specifications, dimensions, manufacturing process, technical requirements, test methods, inspection ru
2024-10-04 category：Chemical industry standards (HG)+ View
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HG/T 20537.1-1992 Selection requirements for austenitic stainless steel welded steel pipes
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HG/T 20537.1-1992 Austenitic stainless steel welded steel pipe selection regulations HG/T20537.1-1992 standard download decompress
2024-10-04 category：Chemical industry standards (HG)+ View
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HG/T 20535-1993 Chemical solid material loading and unloading system design regulations
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HG/T 20535-1993 Chemical solid material loading and unloading system design regulations HG/T20535-1993 standard download decompres
2024-10-04 category：Chemical industry standards (HG)+ View
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HG/T 20534-1993 Chemical solid raw materials and fuel preparation design regulations
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HG/T 20534-1993 Chemical solid raw materials and fuels preparation design regulations HG/T20534-1993 standard download decompressi
2024-10-04 category：Chemical industry standards (HG)+ View
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HG/T 20533-1993 Unified regulations for commonly used terms in chemical mechanized transportation design
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HG/T 20533-1993 Unified regulations on common terms and terms in the design of mechanized transportation for chemical industry HG/
2024-10-04 category：Chemical industry standards (HG)+ View
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HG 20532-1993 Safety and Health Regulations for Chemical Powder Engineering Design
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This regulation applies to the design of powder material processing, storage, loading and unloading, transportation and packaging
2024-10-04 category：Chemical industry standards (HG)+ View
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HG 20530-1992 Welding lip sealing ring for steel pipe flange
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This standard specifies the type, size and technical requirements of weld lip seal rings for steel pipe flanges. This standard app
2024-10-04 category：Chemical industry standards (HG)+ View
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