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发明名称
BORING MEMBER FOR BORING MACHINE FOR STEEL TAPPING HOLE IN CONVERTER
摘要
申请公布号
JPH03243711(A)
申请公布日期
1991.10.30
申请号
JP19900037411
申请日期
1990.02.20
申请人
NKK CORP;KUROSAKI REFRACT CO LTD
发明人
NAKAGAWA TOSHIAKI;NISHINO NO;MORIYAMA KOJI;IZUNAGA TAKAKI;KUBO SUEKI;NISHIMURA TAKAHIRO;NAKAMURA YASUO
分类号
B28D1/14;B28D7/02;C21B7/12;C21C5/46
主分类号
B28D1/14
代理机构
代理人
主权项
地址
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