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经营范围
发明名称
ALLOY STEEL RAIL
摘要
申请公布号
CA353817(A)
申请公布日期
1935.10.29
申请号
CAD353817
申请日期
申请人
THE ELECTRO METALLURGICAL COMPANY OF CANADA
发明人
CHARLES E. MACQUIGG
分类号
主分类号
代理机构
代理人
主权项
地址
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