METHOD OF ENHANCING STABILITY OF GALLERY ARCHING,申请号PL19850251623-传众专利搜索

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发明名称	METHOD OF ENHANCING STABILITY OF GALLERY ARCHING
摘要
申请公布号	PL146381(B1)	申请公布日期	1989.01.31
申请号	PL19850251623	申请日期	1985.01.18
申请人		发明人
分类号	E21D;E21D11/30;(IPC1-7):E21D11/30	主分类号	E21D
代理机构		代理人
主权项
地址

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