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经营范围
发明名称
Adjustable clutch mechanism
摘要
申请公布号
US1981504(A)
申请公布日期
1934.11.20
申请号
US19310545723
申请日期
1931.06.20
申请人
GOODWIN GEORGE I
发明人
GOODWIN GEORGE I.
分类号
F16D13/75
主分类号
F16D13/75
代理机构
代理人
主权项
地址
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