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经营范围
发明名称
Variable speed power transmission mechanism
摘要
申请公布号
US1984797(A)
申请公布日期
1934.12.18
申请号
US19330684361
申请日期
1933.08.09
申请人
HAYES FRANK A
发明人
HAYES FRANK A.
分类号
F16H61/664
主分类号
F16H61/664
代理机构
代理人
主权项
地址
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