
【国外标准】 Railway applications. Fixed installations. Electrical safety, earthing and the return circuit
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适用范围:
暂无
标准号:
BS EN 50122-1:2011+A4:2017
标准名称:
Railway applications. Fixed installations. Electrical safety, earthing and the return circuit
英文名称:
Railway applications. Fixed installations. Electrical safety, earthing and the return circuit标准状态:
被代替-
发布日期:
2017-02-28 -
实施日期:
出版语种:
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