TUNNEL COVERING CONSTRUCTION METHOD,申请号JP19860137175-传众专利搜索

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发明名称	TUNNEL COVERING CONSTRUCTION METHOD
摘要
申请公布号	JPS62291398(A)	申请公布日期	1987.12.18
申请号	JP19860137175	申请日期	1986.06.12
申请人	NIPPON CONCRETE IND CO LTD	发明人	MARUYAMA TAKEHIKO;SHIRAIWA TADAHIRO
分类号	E21D11/04;E21D11/40	主分类号	E21D11/04
代理机构		代理人
主权项
地址

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