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发明名称
Method for forming girth welds between large tubular metal sections
摘要
申请公布号
US3277567(A)
申请公布日期
1966.10.11
申请号
US19650446447
申请日期
1965.03.03
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
RIEPPEL PERRY J.;FAULKNER GLENN E.;NELSON JEROME W.;COOK HARRY C.
分类号
B23K9/028
主分类号
B23K9/028
代理机构
代理人
主权项
地址
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