hg/t20646

hg/t20646, Total:7 items.

The international standard classification for "hg/t20646" includes: Equipment for the chemical industry .

The Chinese standard classification for "hg/t20646" includes: Petrochemical and chemical industry engineering , Non-metal chemical machinery equipment .

Professional Standard - Chemical Industry

• HG/T 20646-1999（编制说明） Design regulations for piping materials in chemical plants

未注明发布机构

• HG 3162-1987
• HG 3164-1987
• HG 4701-2021
• HG 20539-1992 Reinforced polypropylene (FRPP) pipe and fittings
• HG 20559-1993 Specification for Design of Piping and Instrument Diagram

中国石油化工总公司

• SH 0352-1992 L-HG hydraulic oil

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