Plastic protector for externally threaded pipe ends,申请号US19560630864-传众专利搜索

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发明名称	Plastic protector for externally threaded pipe ends
摘要
申请公布号	US2989087(A)	申请公布日期	1961.06.20
申请号	US19560630864	申请日期	1956.12.27
申请人	HIGGINS EDWARD F	发明人	HIGGINS EDWARD F.
分类号	B65D59/06;E21B17/00	主分类号	B65D59/06
代理机构		代理人
主权项
地址

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