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发明名称
HARDENABLE STEEL
摘要
申请公布号
CA427567(A)
申请公布日期
1945.05.15
申请号
CAD427567
申请日期
申请人
ELECTRO METALLURGICAL COMPANY OF CANADA
发明人
WALTER CRAFTS
分类号
主分类号
代理机构
代理人
主权项
地址
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