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经营范围
发明名称
Helically wound tubular member
摘要
申请公布号
US3247869(A)
申请公布日期
1966.04.26
申请号
US19630275146
申请日期
1963.04.23
申请人
REYNOLDS METALS COMPANY
发明人
BOEGERSHAUSEN ROBERT L.;MARTIN ROY M.
分类号
F16L9/16
主分类号
F16L9/16
代理机构
代理人
主权项
地址
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