WATERPROOF EXECUTION METHOD OF TUNNEL,申请号JP19900325941-传众专利搜索

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发明名称	WATERPROOF EXECUTION METHOD OF TUNNEL
摘要
申请公布号	JPH04198597(A)	申请公布日期	1992.07.17
申请号	JP19900325941	申请日期	1990.11.29
申请人	TSUUKEN SANGIYOU KK	发明人	OSUGA TAKASHI
分类号	E21D11/10;E21D11/38	主分类号	E21D11/10
代理机构		代理人
主权项
地址

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