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经营范围
发明名称
Reinforced concrete pipe
摘要
申请公布号
US3411543(A)
申请公布日期
1968.11.19
申请号
US19660561150
申请日期
1966.06.28
申请人
PRICE BROTHERS COMPANY
发明人
OSWEILER PAUL L.
分类号
F16L9/02;F16L9/08
主分类号
F16L9/02
代理机构
代理人
主权项
地址
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