METHOD OF LAYING UNDERGROUND PIPE,申请号JP19770026446-传众专利搜索

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发明名称	METHOD OF LAYING UNDERGROUND PIPE
摘要
申请公布号	JPS53111612(A)	申请公布日期	1978.09.29
申请号	JP19770026446	申请日期	1977.03.10
申请人	OSANAI ISAMU;ISHIKAWAJIMA CONSTR MACH	发明人	OSANAI ISAMU;NAGAOKA YOSHIHIRO
分类号	E21D9/06;E02F5/18;E21D9/08	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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