SHIELD DRILLING METHOD USING MUDDY WATER HAVING CLOGGING MATERIAL FOR SAND AND GRAVEL FOUNDATION,申请号JP19840148585-传众专利搜索

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发明名称	SHIELD DRILLING METHOD USING MUDDY WATER HAVING CLOGGING MATERIAL FOR SAND AND GRAVEL FOUNDATION
摘要
申请公布号	JPS6128699(A)	申请公布日期	1986.02.08
申请号	JP19840148585	申请日期	1984.07.19
申请人	PENTA OCEAN CONSTR CO LTD	发明人	HANAZONO HIROSHI;AKIMOTO MASARU;ISHIHARA TETSUO
分类号	E21D9/13;E21D9/06	主分类号	E21D9/13
代理机构		代理人
主权项
地址

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