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发明名称
BAR ROTARY APPARATUS
摘要
申请公布号
JPS61109891(A)
申请公布日期
1986.05.28
申请号
JP19840229610
申请日期
1984.10.31
申请人
KITANAKA KATSUMI
发明人
KITANAKA KATSUMI
分类号
E21B3/06;E21B3/00;E21B3/04
主分类号
E21B3/06
代理机构
代理人
主权项
地址
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