METHOD TO PREVENT DEPRESSION IN A FLOOR AND THE UNDERFLOOR THEREOF,申请号CA19902021404-传众专利搜索

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发明名称	METHOD TO PREVENT DEPRESSION IN A FLOOR AND THE UNDERFLOOR THEREOF
摘要
申请公布号	CA2021404(A1)	申请公布日期	1992.01.12
申请号	CA19902021404	申请日期	1990.07.18
申请人	SINKI, GAMIL	发明人	SINKI, GAMIL
分类号	E01C23/10;E02D35/00;E04G23/02;E04G23/04	主分类号	E01C23/10
代理机构		代理人
主权项
地址

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