METHOD OF CONSTRUCTION OF PUSHING IN UNDERGROUND BURIED STEEL PIPE,申请号JP19770099040-传众专利搜索

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发明名称	METHOD OF CONSTRUCTION OF PUSHING IN UNDERGROUND BURIED STEEL PIPE
摘要
申请公布号	JPS5433319(A)	申请公布日期	1979.03.12
申请号	JP19770099040	申请日期	1977.08.17
申请人	OSAKA GAS CO LTD	发明人	NAKAYAMA KATSUHIKO;SHIODA KENSAKU
分类号	E21D9/06	主分类号	E21D9/06
代理机构		代理人
主权项
地址

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