METHOD OF MAKING SETTLING TANKS FOR WATER DRAINED FROM FILLED CAVITIES,申请号PL19860257752-传众专利搜索

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发明名称	METHOD OF MAKING SETTLING TANKS FOR WATER DRAINED FROM FILLED CAVITIES
摘要
申请公布号	PL151226(B1)	申请公布日期	1990.08.31
申请号	PL19860257752	申请日期	1986.01.31
申请人		发明人
分类号	E21F;E21F16/00;(IPC1-7):E21F16/00	主分类号	E21F
代理机构		代理人
主权项
地址

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