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发明名称
Door control mechanism
摘要
申请公布号
US2650846(A)
申请公布日期
1953.09.01
申请号
US19490122436
申请日期
1949.10.20
申请人
RUDOLPH I. SCHONITZER
发明人
ALLEN EDWIN L.
分类号
E05B65/32
主分类号
E05B65/32
代理机构
代理人
主权项
地址
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