
【国外标准】 Circular flanges for pipes, valves and fittings (PN designated)
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适用范围:
暂无
标准号:
BS 4504-3.3:1989
标准名称:
Circular flanges for pipes, valves and fittings (PN designated)
英文名称:
Circular flanges for pipes, valves and fittings (PN designated)标准状态:
被代替-
发布日期:
1989-06-30 -
实施日期:
出版语种:
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