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发明名称
Mine car latch operator and safety lock
摘要
申请公布号
US2400026(A)
申请公布日期
1946.05.07
申请号
US19430477468
申请日期
1943.02.27
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
SCHROEDER ERNEST R.
分类号
B61D7/30
主分类号
B61D7/30
代理机构
代理人
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地址
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