METHOD OF REMOVING OBSTACLES IN BURYING PIPE,申请号JP19770047813-传众专利搜索

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发明名称	METHOD OF REMOVING OBSTACLES IN BURYING PIPE
摘要
申请公布号	JPS53133919(A)	申请公布日期	1978.11.22
申请号	JP19770047813	申请日期	1977.04.27
申请人	KOMATSU MFG CO LTD;KOMATSU KENSETSU KOUGIYOU KK	发明人	ITOU SHICHIROU;SUGIMOTO CHIKARA
分类号	E02D13/08;E02D17/00;E21D9/06	主分类号	E02D13/08
代理机构		代理人
主权项
地址

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