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发明名称
Door construction
摘要
申请公布号
US1922370(A)
申请公布日期
1933.08.15
申请号
US19310555108
申请日期
1931.08.04
申请人
OVERHEAD DOOR CORPORATION
发明人
JOHNSON CLARENCE G.;BLODGETT HERBERT C.
分类号
E05D13/00;E05D15/24
主分类号
E05D13/00
代理机构
代理人
主权项
地址
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