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经营范围
发明名称
Mating spur gear
摘要
申请公布号
US1828114(A)
申请公布日期
1931.10.20
申请号
US19260112522
申请日期
1926.05.29
申请人
HUBBARD WILLIAM H
发明人
HUBBARD WILLIAM H.
分类号
F16H55/08
主分类号
F16H55/08
代理机构
代理人
主权项
地址
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