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- BS 689:1957 Railway mechanical signalling equipment

【国外标准】 Railway mechanical signalling equipment
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适用范围:
暂无
标准号:
BS 689:1957
标准名称:
Railway mechanical signalling equipment
英文名称:
Railway mechanical signalling equipment标准状态:
被代替-
发布日期:
1963-03-29 -
实施日期:
出版语种:
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