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发明名称
BACKING STRIP FOR ARC WELDING FROM ONE SIDE
摘要
申请公布号
GB1261437(A)
申请公布日期
1972.01.26
申请号
GB19690039391D
申请日期
1969.07.25
申请人
KOBE STEEL LTD.
发明人
分类号
B23K35/362;B23K9/035;B23K35/02;B23K37/06
主分类号
B23K35/362
代理机构
代理人
主权项
地址
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