Pipe blind with failure indicator,申请号US19510244378-传众专利搜索

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发明名称	Pipe blind with failure indicator
摘要
申请公布号	US2726683(A)	申请公布日期	1955.12.13
申请号	US19510244378	申请日期	1951.08.30
申请人	STANDARD OIL COMPANY	发明人	STEINBACH ARTHUR J.
分类号	F16L55/105	主分类号	F16L55/105
代理机构		代理人
主权项
地址

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