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经营范围
发明名称
Drop-bottom mine car
摘要
申请公布号
US2362986(A)
申请公布日期
1944.11.21
申请号
US19410415134
申请日期
1941.10.15
申请人
THE SANFORD INVESTMENT COMPANY
发明人
CATE THOMAS M.;JONES ROBERT E.
分类号
B61D11/00
主分类号
B61D11/00
代理机构
代理人
主权项
地址
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