DEVICE FOR AIRTIGHTLY DISCHARGING SOIL IN SHIELD EXCAVATOR,申请号JP19770022605-传众专利搜索

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发明名称	DEVICE FOR AIRTIGHTLY DISCHARGING SOIL IN SHIELD EXCAVATOR
摘要
申请公布号	JPS53108631(A)	申请公布日期	1978.09.21
申请号	JP19770022605	申请日期	1977.03.04
申请人	NIPPON TELEGRAPH & TELEPHONE;KOMATSU MFG CO LTD	发明人	YAMADA TOSHIO;ISHIDA KAZUO;NOJIRI YOSHIHIKO;KOJIMA CHIAKI;AOKI HIDEKAZU
分类号	E21D9/12	主分类号	E21D9/12
代理机构		代理人
主权项
地址

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