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发明名称
METHOD OF WELDING TUBE CONSTRUCTION INNER SEAMS
摘要
申请公布号
SU795827(A1)
申请公布日期
1981.01.15
申请号
SU19782663712
申请日期
1978.07.07
申请人
PT I "ENERGOMONTAZHPROEKT", óEHôH×PA¯CKôö ´ôóôAó
发明人
GREBENTSOV MIKHAIL A,SU;GRIGOREV NIKOLAJ M,SU;ANTONOV BORIS S,SU;FAJNGOLD KIRILL V,SU;ASTAKHOV ALEKSEJ K,SU;KOLOBNEV VIKTOR P,SU
分类号
B23K37/02;(IPC1-7):B23K31/06
主分类号
B23K37/02
代理机构
代理人
主权项
地址
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