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发明名称
Drive device
摘要
申请公布号
US2412853(A)
申请公布日期
1946.12.17
申请号
US19450584327
申请日期
1945.03.23
申请人
WESTINGHOUSE ELECTRIC CORPORATION
发明人
ALBEN FRANK L.
分类号
B61C9/44
主分类号
B61C9/44
代理机构
代理人
主权项
地址
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