Shaft seal assembly,申请号US19450631255-传众专利搜索

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发明名称	Shaft seal assembly
摘要
申请公布号	US2429953(A)	申请公布日期	1947.10.28
申请号	US19450631255	申请日期	1945.11.28
申请人	SEALOL CORPORATION	发明人	BOTTOMLEY FRANK
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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