METHOD OF ENHANCING INTERACTION BETWEEN A BRIDGE HEAD AND ITS BACKFILL,申请号PL19860259294-传众专利搜索

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发明名称	METHOD OF ENHANCING INTERACTION BETWEEN A BRIDGE HEAD AND ITS BACKFILL
摘要
申请公布号	PL148164(B1)	申请公布日期	1989.09.30
申请号	PL19860259294	申请日期	1986.05.02
申请人		发明人
分类号	E01D19/02;E02D29/02;(IPC1-7):E01D19/02	主分类号	E01D19/02
代理机构		代理人
主权项
地址

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