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发明名称
METHOD OF WELDING METAL
摘要
申请公布号
JPS5271358(A)
申请公布日期
1977.06.14
申请号
JP19750147961
申请日期
1975.12.11
申请人
NIPPON ELECTRIC CO
发明人
KAWAMOTO MASARU
分类号
B23K20/00;H01L21/60;H01L21/603
主分类号
B23K20/00
代理机构
代理人
主权项
地址
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