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经营范围
发明名称
Pipe line noise eliminator
摘要
申请公布号
US2261948(A)
申请公布日期
1941.11.11
申请号
US19400332618
申请日期
1940.04.30
申请人
GEROTOR MAY COMPANY
发明人
BEACH RALPH H.
分类号
F16L21/00;F16L55/052;F16L55/054
主分类号
F16L21/00
代理机构
代理人
主权项
地址
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