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经营范围
发明名称
Coupling nut
摘要
申请公布号
US2067773(A)
申请公布日期
1937.01.12
申请号
US19360093473
申请日期
1936.07.30
申请人
LONG FRED R
发明人
LONG FRED R.
分类号
F16L19/02
主分类号
F16L19/02
代理机构
代理人
主权项
地址
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