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发明名称
Car
摘要
申请公布号
US1806173(A)
申请公布日期
1931.05.19
申请号
US19280276337
申请日期
1928.05.09
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
MCWILLIAMS JOHN P.;DITCHFIELD FRANK
分类号
B61D17/04
主分类号
B61D17/04
代理机构
代理人
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地址
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