Dry seal for rotary shaft,申请号US19640399486-传众专利搜索

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发明名称	Dry seal for rotary shaft
摘要
申请公布号	US3325172(A)	申请公布日期	1967.06.13
申请号	US19640399486	申请日期	1964.09.28
申请人	TECHNICAL OPERATIONS, INCORPORATED	发明人	HERBOLD ROBERT J.
分类号	F16J15/32	主分类号	F16J15/32
代理机构		代理人
主权项
地址

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