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发明名称
Drop bottom mine car
摘要
申请公布号
US2092801(A)
申请公布日期
1937.09.14
申请号
US19360091035
申请日期
1936.07.17
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
DIETRICHSON WILLIAM F.
分类号
B61D7/30
主分类号
B61D7/30
代理机构
代理人
主权项
地址
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