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发明名称
AUTOMATIC WELDING METHOD FOR POLYGONAL MEMBER
摘要
申请公布号
JPH02307675(A)
申请公布日期
1990.12.20
申请号
JP19890126720
申请日期
1989.05.22
申请人
NKK CORP;NACHI FUJIKOSHI CORP
发明人
SUGITANI YUJI;TAMAOKI HISAHIRO;YAMASHITA KENICHIRO;KANAYAMA HIDEAKI
分类号
B23K9/12;B23K9/127
主分类号
B23K9/12
代理机构
代理人
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