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发明名称
METHOD OF BUTT JOINING OF PIPELINE WITH CHAMBER FILLED WITH INERT GAS
摘要
申请公布号
SU919829(A1)
申请公布日期
1982.04.15
申请号
SU19802960696
申请日期
1980.07.23
申请人
O KT BYURO "KRISTALL" S O PROIZV LE T I IM. LENSOVETA
发明人
BOBER VLADIMIR N,SU;ZHURAVLEV GRIGORIJ I,SU;SHIRYAEV ALEKSEJ N,SU
分类号
B23K9/16;(IPC1-7):B23K9/16
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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