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发明名称
Electrically controlled door
摘要
申请公布号
US2276989(A)
申请公布日期
1942.03.17
申请号
US19410387503
申请日期
1941.04.08
申请人
LEVESQUE JOSEPH A
发明人
LEVESQUE JOSEPH A.
分类号
E05F15/18
主分类号
E05F15/18
代理机构
代理人
主权项
地址
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