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JB/T 6619-1993 Light mechanical seal test method
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This standard specifies the basic principles and test methods for performance testing of lightweight mechanical seal products. Thi
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6618-1993 Technical specifications for polytetrafluoroethylene raw tape for metal winding gaskets
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JB/T 6618-1993 Technical conditions for polytetrafluoroethylene raw tape for metal spiral wound gaskets JB/T6618-1993 Standard dow
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6617-1993 Technical conditions for flexible graphite packing rings for valves
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This standard specifies the technical requirements, test methods and inspection rules for flexible graphite packing rings for valv
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6616-1993 Technical requirements for rubber bellows mechanical seals
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This standard specifies the technical requirements for rubber bellows mechanical seals as well as the requirements for performance
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6615-1993 Technical requirements for boron carbide sealing rings for mechanical seals
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This standard specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, etc. of bo
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6614-1993 Technical requirements for mechanical seals for boiler feed pumps
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This standard specifies the main types, technical requirements, test methods, inspection rules and other requirements of mechanica
2024-10-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6613-1993 Classification, code and marking of flexible graphite strips
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This standard specifies the classification, codes and markings of flexible graphite sheets and strips. This standard applies to fl
1970-01-01 category：Machinery Industry Standard (JB)+ View
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JB/T 6612-1993 Terminology of static seal and packing seal
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This standard specifies the terms and definitions of static seals and packing seals. This standard applies to static seals and pac
2024-10-01 category：Machinery Industry Standard (JB)+ View
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