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发明名称
Speed ratio control apparatus
摘要
申请公布号
US2327214(A)
申请公布日期
1943.08.17
申请号
US19410401162
申请日期
1941.07.05
申请人
POLLARD WILLARD L
发明人
POLLARD WILLARD L.
分类号
B60K17/06;B60K20/04;B60K26/00
主分类号
B60K17/06
代理机构
代理人
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