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发明名称
CHROMIUM STEEL
摘要
申请公布号
CA435610(A)
申请公布日期
1946.07.02
申请号
CAD435610
申请日期
申请人
ELECTRO METALLURGICAL COMPANY OF CANADA
发明人
RUSSELL FRANKS
分类号
主分类号
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代理人
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