SHAFT-SEALING SYSTEM,申请号USD3507504-传众专利搜索

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发明名称	SHAFT-SEALING SYSTEM
摘要
申请公布号	US3507504(A)	申请公布日期	1970.04.21
申请号	USD3507504	申请日期	1967.03.08
申请人	ERNEST F. DONLEY & SONS INC.	发明人	PHILIP F. DONLEY
分类号	F16J15/34;(IPC1-7):F16J15/34;F16J15/00	主分类号	F16J15/34
代理机构		代理人
主权项
地址

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