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发明名称
Doorcheck
摘要
申请公布号
US1996117(A)
申请公布日期
1935.04.02
申请号
US19310575762
申请日期
1931.11.18
申请人
THE AMERICAN HARDWARE CORPORATION
发明人
MOORE WALLACE F.
分类号
E05F3/06
主分类号
E05F3/06
代理机构
代理人
主权项
地址
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