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发明名称
Verfahren und Vorrichtung zum Steuern eines Vortriebschilds
摘要
申请公布号
DE69403255(D1)
申请公布日期
1997.06.26
申请号
DE1994603255
申请日期
1994.02.25
申请人
TOKYO GAS CO. LTD., TOKIO/TOKYO, JP;ISEKIKAIHATSU KOKI K.K., TOKIO/TOKYO, JP
发明人
HAYASHI, MITSUTOSHI, OHMIYA, SAITAMA, JP;FUJITA, AKITAKA, MEGURO-KU, TOKYO, JP;NAGASHIMA, SHINGO, MINATO-KU, TOKYO, JP;FUJIMORI, ISAO, HIGASHIMURAYAMA, TOKYO, JP
分类号
E21D9/06;E21D9/087;E21D9/093;(IPC1-7):E21D9/06;G05D1/03
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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