STRUCTURE FOR MOUNTING STEP METAL FIXTURE OF MANHOLE,申请号JP19900106829-传众专利搜索

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发明名称	STRUCTURE FOR MOUNTING STEP METAL FIXTURE OF MANHOLE
摘要
申请公布号	JPH045339(A)	申请公布日期	1992.01.09
申请号	JP19900106829	申请日期	1990.04.23
申请人	NITSUTOU KENKIYUUSHIYO:YUUGEN	发明人	SAKURAI TOSHIHIDE
分类号	E02D29/12;E06C9/06	主分类号	E02D29/12
代理机构		代理人
主权项
地址

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