METHOD OF SEALING PIPES IN PARTICULAR LARGE-DIAMETER ONES,申请号PL19830242008-传众专利搜索

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发明名称	METHOD OF SEALING PIPES IN PARTICULAR LARGE-DIAMETER ONES
摘要
申请公布号	PL140388(B1)	申请公布日期	1987.04.30
申请号	PL19830242008	申请日期	1983.05.16
申请人		发明人
分类号	F16J;F16J15/14;F16L;F16L13/11;(IPC1-7):F16J15/14	主分类号	F16J
代理机构		代理人
主权项
地址

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