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发明名称
THE METHOD OF AUTOMATIC BUTT WELDING OF STEEL AND BARS TO PLATE SURFACES IN FLUX SHIELD
摘要
申请公布号
PL272362(A1)
申请公布日期
1989.11.13
申请号
PL19880272362
申请日期
1988.05.09
申请人
POLITECHNIKA GDANSKA
发明人
JARACZ JAN;RYMKIEWICZ STANISLAW
分类号
B23K;(IPC1-7):B23K/
主分类号
B23K
代理机构
代理人
主权项
地址
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