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发明名称
Door holder
摘要
申请公布号
US1827634(A)
申请公布日期
1931.10.13
申请号
US19300422117
申请日期
1930.01.20
申请人
THE WILLOUGHBY MFG. CO.
发明人
WINEGAR EDMUND M.;SHUTT JOHN C.
分类号
E05F17/00
主分类号
E05F17/00
代理机构
代理人
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地址
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