GB/T 12221-1989

Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions

STANDARD published on 4.1.1990

English, Chinese -
electronic design (pdf) (766.80 USD)

The information about the standard:

Designation standards: GB/T 12221-1989
Note: WITHDRAWN
Publication date standards: 4.1.1990
Country: Chinese technical standard
Category: Technical standards GB