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发明名称
METHOD OF SURFACE FINISHING OBJECTS
摘要
申请公布号
CA316997(A)
申请公布日期
1931.11.10
申请号
CAD316997
申请日期
申请人
THE CANADIAN INDUSTRIES LIMITED
发明人
MICHAEL J. CALLAHAN
分类号
主分类号
代理机构
代理人
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