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经营范围
发明名称
Metallic conduit and coupling therefor
摘要
申请公布号
US2427260(A)
申请公布日期
1947.09.09
申请号
US19440533857
申请日期
1944.05.03
申请人
RUDOLPH WM. LOTZ
发明人
COWLES IRVING
分类号
F16L19/04
主分类号
F16L19/04
代理机构
代理人
主权项
地址
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