【国外标准】 Graphical symbols for use in connection with interior electrical installation
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适用范围:
暂无
标准号:
BS 447:1932
标准名称:
Graphical symbols for use in connection with interior electrical installation
英文名称:
Graphical symbols for use in connection with interior electrical installation标准状态:
被代替-
发布日期:
1932-01-01 -
实施日期:
出版语种:
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