Pressure compensated pipe collar,申请号US19530355529-传众专利搜索

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发明名称	Pressure compensated pipe collar
摘要
申请公布号	US2781206(A)	申请公布日期	1957.02.12
申请号	US19530355529	申请日期	1953.05.18
申请人	ESSO RESEARCH AND ENGINEERING COMPANY	发明人	RAGLAND DOUGLAS
分类号	F16L15/06;F16L15/08	主分类号	F16L15/06
代理机构		代理人
主权项
地址

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