OPENING STRUCTURE OF MANHOLE,申请号JP19970370345-传众专利搜索

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发明名称	OPENING STRUCTURE OF MANHOLE
摘要
申请公布号	JPH11193539(A)	申请公布日期	1999.07.21
申请号	JP19970370345	申请日期	1997.12.26
申请人	CHUBU CORPORATION:KK	发明人	YAMAUCHI TAKAHIRO
分类号	E02D29/14;(IPC1-7):E02D29/14	主分类号	E02D29/14
代理机构		代理人
主权项
地址

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