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发明名称
APPARATUS FOR WELDING ANNULAR SEAMS
摘要
申请公布号
SU579117(A1)
申请公布日期
1977.11.05
申请号
SU19762308387
申请日期
1976.01.04
申请人
PK T BYURO PO MASHINOSTROENIYU
发明人
KERZAN IOSIF V,SU;GVOZDEV VIKTOR G,SU;KARAVAEVA LYUBOV S,SU
分类号
(IPC1-7):B23K31/06
主分类号
(IPC1-7):B23K31/06
代理机构
代理人
主权项
地址
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