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发明名称
APPARATUS FOR ASSEMBLING AND WELDING CIRCULAR BUTT JOINTS WITH FORMING REVERSE SIDE OF JOINT
摘要
申请公布号
SU1235688(A1)
申请公布日期
1986.06.07
申请号
SU19843829144
申请日期
1984.12.25
申请人
VELD EVGENIJ V,SU
发明人
VELD EVGENIJ V,SU
分类号
B23K37/06;(IPC1-7):B23K31/06
主分类号
B23K37/06
代理机构
代理人
主权项
地址
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