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发明名称
Door construction
摘要
申请公布号
US2036991(A)
申请公布日期
1936.04.07
申请号
US19340717153
申请日期
1934.03.24
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
TOBIN KENNETH J.
分类号
B61D19/00
主分类号
B61D19/00
代理机构
代理人
主权项
地址
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