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发明名称
Door locks
摘要
申请公布号
US2800347(A)
申请公布日期
1957.07.23
申请号
US19540439528
申请日期
1954.06.28
申请人
SARGENT & COMPANY
发明人
JR. GEORGE W. WARDWELL,
分类号
E05B55/00
主分类号
E05B55/00
代理机构
代理人
主权项
地址
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