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经营范围
发明名称
Multiple conduit
摘要
申请公布号
US1818922(A)
申请公布日期
1931.08.11
申请号
US19290375427
申请日期
1929.07.02
申请人
BROWN COMPANY
发明人
PARKER HOWARD
分类号
F16L39/00;H02G3/04
主分类号
F16L39/00
代理机构
代理人
主权项
地址
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