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发明名称
UNDERLAYER FOR FORMING SEAM BACK SIDE AT SINGLE-SIDE WELDING OF BUTT JOINTS
摘要
申请公布号
SU903009(A1)
申请公布日期
1982.02.07
申请号
SU19802945342
申请日期
1980.06.25
申请人
POMOGAEV VLADIMIR N,SU
发明人
POMOGAEV VLADIMIR N,SU
分类号
B23K9/02;B23K37/06;(IPC1-7):B23K9/02
主分类号
B23K9/02
代理机构
代理人
主权项
地址
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