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发明名称
PRODUCTON OF BIT
摘要
申请公布号
JPS60238594(A)
申请公布日期
1985.11.27
申请号
JP19840090156
申请日期
1984.05.08
申请人
KAWASAKI JUKOGYO KK
发明人
TSUGAKI SHIYOUICHIROU;MIYASAKA TOMOO;NISHIYAMA YUKIO;ATSUTA TOSHIO
分类号
E21B10/08;E21B10/00
主分类号
E21B10/08
代理机构
代理人
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