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发明名称
DOOR LOCKS
摘要
申请公布号
CA633919(A)
申请公布日期
1962.01.02
申请号
CAD633919
申请日期
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
WILFRED A. BEAUCHAMP
分类号
主分类号
代理机构
代理人
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