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经营范围
发明名称
Swing joint
摘要
申请公布号
US2150583(A)
申请公布日期
1939.03.14
申请号
US19370161382
申请日期
1937.08.28
申请人
LONG FRANK V
发明人
LONG FRANK V.
分类号
F16L27/08
主分类号
F16L27/08
代理机构
代理人
主权项
地址
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