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发明名称
Dump car door operating mechanism for several size door openings
摘要
申请公布号
US2531960(A)
申请公布日期
1950.11.28
申请号
US19470768804
申请日期
1947.08.15
申请人
ENTERPRISE RAILWAY EQUIPMENT COMPANY
发明人
ZIMMER ALBERT E.
分类号
B61D7/26
主分类号
B61D7/26
代理机构
代理人
主权项
地址
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