Mechanical seal betwen shaft and vessel,申请号US19640353726-传众专利搜索

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发明名称	Mechanical seal betwen shaft and vessel
摘要
申请公布号	US3297330(A)	申请公布日期	1967.01.10
申请号	US19640353726	申请日期	1964.03.23
申请人	OSKAR KRIEGER	发明人	KRIEGER OSKAR
分类号	F16C33/74;F16J15/00	主分类号	F16C33/74
代理机构		代理人
主权项
地址

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