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发明名称
PLUG FOR MANUFACTURING SEAMLESS STEEL TUBE
摘要
申请公布号
JPH10291007(A)
申请公布日期
1998.11.04
申请号
JP19970115202
申请日期
1997.04.16
申请人
NGK SPARK PLUG CO LTD;KAWASAKI STEEL CORP
发明人
URASHIMA KAZUHIRO;MATSUBARA KATSURA;TOYOOKA TAKAAKI;YORIFUJI AKIRA;KANAYAMA TARO
分类号
B21B25/00;(IPC1-7):B21B25/00
主分类号
B21B25/00
代理机构
代理人
主权项
地址
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