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经营范围
发明名称
Variable-speed transmission
摘要
申请公布号
US2404229(A)
申请公布日期
1946.07.16
申请号
US19410376626
申请日期
1941.01.30
申请人
HAMREN JOSEPH O
发明人
HAMREN JOSEPH O.
分类号
F16H61/40;F16H61/42;F16H61/431
主分类号
F16H61/40
代理机构
代理人
主权项
地址
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