Sealing device for shafts,申请号US19440536559-传众专利搜索

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发明名称	Sealing device for shafts
摘要
申请公布号	US2434458(A)	申请公布日期	1948.01.13
申请号	US19440536559	申请日期	1944.05.20
申请人	DURAMETALLIC CORPORATION	发明人	CURRY PAUL N.
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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