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发明名称
METHOD OF ARC MULTI-PASS WELDING OF PIPES
摘要
申请公布号
RU1324193(C)
申请公布日期
1993.02.07
申请号
SU19853972513
申请日期
1985.11.10
申请人
ROSHCHIN V.V.,SU;KHAVANOV V.A.,SU
发明人
ROSHCHIN V.V.,SU;KHAVANOV V.A.,SU
分类号
B23K31/02
主分类号
B23K31/02
代理机构
代理人
主权项
地址
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