Rotary shaft seal,申请号US19480054057-传众专利搜索

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发明名称	Rotary shaft seal
摘要
申请公布号	US2575549(A)	申请公布日期	1951.11.20
申请号	US19480054057	申请日期	1948.10.12
申请人	JABSCO PUMP COMPANY	发明人	DOBLE WARREN
分类号	F16J15/38	主分类号	F16J15/38
代理机构		代理人
主权项
地址

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