Lubricator insert for stuffing boxes,申请号US19320595143-传众专利搜索

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发明名称	Lubricator insert for stuffing boxes
摘要
申请公布号	US1971542(A)	申请公布日期	1934.08.28
申请号	US19320595143	申请日期	1932.02.25
申请人	TAYLOR JAMES S	发明人	TAYLOR JAMES S.
分类号	F16J15/18	主分类号	F16J15/18
代理机构		代理人
主权项
地址

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