VERBETERING IN EN MET BETREKKING TOT FLEXIBELE AFSLUITINGEN.,申请号NL19830000300-传众专利搜索

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发明名称	VERBETERING IN EN MET BETREKKING TOT FLEXIBELE AFSLUITINGEN.
摘要
申请公布号	NL8300300(A)	申请公布日期	1983.08.16
申请号	NL19830000300	申请日期	1983.01.27
申请人	DUNLOP LIMITED TE LONDEN.	发明人
分类号	E21B17/20;F16L11/08;F16L11/12;(IPC1-7):F16L9/04	主分类号	E21B17/20
代理机构		代理人
主权项
地址

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