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发明名称
GAS CURTAIN DEVICE FOR MAKING ELECTRICALLY WELDED PIPE
摘要
申请公布号
JPS5263149(A)
申请公布日期
1977.05.25
申请号
JP19750138971
申请日期
1975.11.19
申请人
SHIN NIPPON SEITETSU KK;NIPPON SANSO KK
发明人
SAKURAI KENSUKE;FUKUDA SHINICHI;KIMURA HISASHI;KAIDA YOSHIYUKI;HAYAMIZU TOSHIHIKO;ISHIMITSU YASUMI;KONDOU MASAHIKO
分类号
B23K13/06;B21C37/08;B23K11/00
主分类号
B23K13/06
代理机构
代理人
主权项
地址
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