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经营范围
发明名称
Helical gear set
摘要
申请公布号
US2703021(A)
申请公布日期
1955.03.01
申请号
US19500159358
申请日期
1950.05.01
申请人
发明人
STOECKICHT WILHELM G.
分类号
F16H1/28;F16H1/46
主分类号
F16H1/28
代理机构
代理人
主权项
地址
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