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经营范围
发明名称
Universal joint
摘要
申请公布号
US1777263(A)
申请公布日期
1930.09.30
申请号
US19260089108
申请日期
1926.02.18
申请人
HELLSTROM JOHN A
发明人
HELLSTROM JOHN A.
分类号
F16H21/52
主分类号
F16H21/52
代理机构
代理人
主权项
地址
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