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HG/T 20519.36-1992 Material Code

HG/T 20519.36-1992 Material code HG/T20519.36-1992 Standard download decompression password: www.bzxz.net

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.35-1992 Equipment name and number

HG/T 20519.35-1992 Equipment name and position number HG/T20519.35-1992 standard download decompression password: www.bzxz.net

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.34-1992 Legends for equipment and piping layout drawings

HG/T 20519.34-1992 Legends for equipment and piping layouts HG/T20519.34-1992 Standard download decompression password: www.bzxz.n

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.33-1992 Legends for pipes, fittings, valves and special piping parts on piping layouts and axonometric drawings

HG/T 20519.33-1992 Legend for pipes, fittings, valves and special pipe parts on piping layout and axonometric drawings HG/T20519.3

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.32-1992 Legends for pipelines, fittings, valves and pipeline accessories in pipeline and instrument flow diagrams

HG/T 20519.32-1992 Legend of Pipes, Fittings, Valves and Pipeline Accessories in Pipeline and Instrumentation Flowcharts HG/T20519

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.31-1992 Legends for equipment and machines in piping and instrument flow diagrams

HG/T 20519.31-1992 Equipment and machine legends in piping and instrumentation flow diagrams HG/T20519.31-1992 Standard download d

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.30-1992 Thermal insulation and sound insulation code

HG/T 20519.30-1992 Thermal and sound insulation code HG/T20519.30-1992 Standard download decompression password: www.bzxz.net

2024-10-04 category：Chemical industry standards (HG)
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HG/T 20519.29-1992 Pipe rack numbers and representation of pipe racks in piping layout drawings

HG/T 20519.29-1992 Pipe rack numbering and representation of pipe racks in piping layout drawings HG/T20519.29-1992 Standard downl

2024-10-04 category：Chemical industry standards (HG)
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