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发明名称
A method of testing coated welding electrodes
摘要
申请公布号
GB956581(A)
申请公布日期
1964.04.29
申请号
GB19600041907
申请日期
1960.12.06
申请人
FUMIO OSHIBA
发明人
分类号
B23K35/40
主分类号
B23K35/40
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代理人
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