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发明名称
Railway car metal door
摘要
申请公布号
US1922042(A)
申请公布日期
1933.08.15
申请号
US19310520249
申请日期
1931.03.05
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
HENRICKS HAROLD H.
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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