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发明名称
Door for railway cars
摘要
申请公布号
US1955868(A)
申请公布日期
1934.04.24
申请号
US19320620020
申请日期
1932.06.29
申请人
WINE WILLIAM E
发明人
WINE WILLIAM E.
分类号
B61D7/18
主分类号
B61D7/18
代理机构
代理人
主权项
地址
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