
Specification For Pipe Threads For Tubes And Fittings Where Pressure-Tight Joints Are Made On The Threads (Metric Dimensions)
出版:British Standards Institution

專家解讀視頻
基本信息
標準編號: BS 21:1985
發布時間:1985/9/30 0:00:00
標準類別:Standard
出版單位:British Standards Institution
標準頁數:22
標準簡介
1985 AMD 6633 [21/12/1990]1985 [30/09/1985]
標準備注
? British Standards Institution 2013
Replaced by notes:
Partially replaced by BS EN 10226-1:2004.
Amendment notes:
AMD 6633 published 21 December 1990
本標準替代的舊標準
等同采用的國際標準
ISO 7-1:1994 - Equivalent