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发明名称
Doorstop
摘要
申请公布号
US1937085(A)
申请公布日期
1933.11.28
申请号
US19310583216
申请日期
1931.12.26
申请人
HERBERT T. COOKE
发明人
JOHNSON RALPH L.
分类号
E05C17/44
主分类号
E05C17/44
代理机构
代理人
主权项
地址
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