JB/T 1750-1992 Valve structural elements Ammonia valve body sealing surface dimensions JB/T1750-1992 Standard download decompression password: www.bzxz.net
Some standard content:
Mechanical Industry Standard of the People's Republic of China JB/T1750 1992-12-25Gu Tea 1993-07-01Small Lock Chicken Cheek Crab Kui Lu Wa Art 2Melancholy Melancholy Sunlight D10~150mm Dx10~50mmWww.bzxZ.net Dx 65 ~ 150 mm 1992-12-25 tumor JB/T1750 Magic JB1750—75 1993-07-01 small cable Zhang Xianji Cheek catfish Jingke JB/T1750 Sputum species second Sputum heron stool item Xinkui heron JB/T1750 Extended flight 880b1230 1992 Nest 2 cabin 100044 Dai section 1/4 1992 Table 2 cabin wheel dry Dai Dai 1500 Polar lotus cobalt Mo 1.00 wing Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.