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经营范围
发明名称
DIRECT CURRENT ARC WELDING MACHINE
摘要
申请公布号
JPS55149777(A)
申请公布日期
1980.11.21
申请号
JP19790057037
申请日期
1979.05.11
申请人
HITACHI SEIKO KK
发明人
OONISHI SHIYUNSAKU;ASOU TADASHI;NOMURA HIROBUMI
分类号
B23K9/073;B23K9/06
主分类号
B23K9/073
代理机构
代理人
主权项
地址
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