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发明名称
Mechanism for disengaging driving gears
摘要
申请公布号
US1970174(A)
申请公布日期
1934.08.14
申请号
US19290413312
申请日期
1929.12.11
申请人
发明人
KALTENBACH ROBERT W.
分类号
B61C17/08
主分类号
B61C17/08
代理机构
代理人
主权项
地址
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