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经营范围
发明名称
AC ARC WELDING
摘要
申请公布号
JPS54162650(A)
申请公布日期
1979.12.24
申请号
JP19780071995
申请日期
1978.06.13
申请人
OSAKA TRANSFORMER CO LTD
发明人
YAMAMOTO HIDEYUKI
分类号
B23K9/16;B23K9/06;B23K9/073;B23K9/167;B23K9/173
主分类号
B23K9/16
代理机构
代理人
主权项
地址
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