COVER OPENING TOOL FOR MANHOLE AND THE LIKE,申请号JP19910108360-传众专利搜索

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发明名称	COVER OPENING TOOL FOR MANHOLE AND THE LIKE
摘要
申请公布号	JPH04315622(A)	申请公布日期	1992.11.06
申请号	JP19910108360	申请日期	1991.04.12
申请人	TOKYO GAS CO LTD	发明人	OMORI YUJI;KENMOKU YOSHINOBU;IDE KAZUYUKI;YAMAZAKI MITSUO
分类号	E02D29/12	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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