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发明名称
Control for double doors
摘要
申请公布号
US2576703(A)
申请公布日期
1951.11.27
申请号
US19460674568
申请日期
1946.06.05
申请人
SHEEHAN JR THOMAS H
发明人
JR. THOMAS H. SHEEHAN,
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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