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发明名称
STEEL OR ALLOY TUBE MANUFACTURE
摘要
申请公布号
CA405814(A)
申请公布日期
1942.06.30
申请号
CAD405814
申请日期
申请人
NATIONAL TUBE COMPANY
发明人
FRED C. RAAB;EDWIN C. WRIGHT
分类号
主分类号
代理机构
代理人
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