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经营范围
发明名称
Door operating and locking mechanism
摘要
申请公布号
US2184774(A)
申请公布日期
1939.12.26
申请号
US19390263091
申请日期
1939.03.20
申请人
CLAUDE V. BIRKHEAD;WERNER N. BECKMANN
发明人
BROWNING JAMES E.
分类号
E05F17/00
主分类号
E05F17/00
代理机构
代理人
主权项
地址
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