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经营范围
发明名称
APPARECCHIO RICEVENTE
摘要
申请公布号
ITRM910809(D0)
申请公布日期
1991.10.25
申请号
IT1991RM00809
申请日期
1991.10.25
申请人
JAPAN NATIONAL OIL CORPORATION
发明人
TAKASHI SHIMADA;SATORU INOUE;TAKAAKI MAEKAWA;AKIO JITSUMORI
分类号
E21B47/12;H04B1/12;H04B13/02
主分类号
E21B47/12
代理机构
代理人
主权项
地址
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