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发明名称
Drive system for self-driving railway cars and for railway locomotors
摘要
申请公布号
US2854860(A)
申请公布日期
1958.10.07
申请号
US19540466563
申请日期
1954.11.03
申请人
UBALDO RANZI
发明人
RANZI UBALDO
分类号
B61C9/10;F16D37/00
主分类号
B61C9/10
代理机构
代理人
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地址
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