Improvements in fluid-sealing and dust-excluding devices for shafts and bearings,申请号GB19380022310-传众专利搜索

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发明名称	Improvements in fluid-sealing and dust-excluding devices for shafts and bearings
摘要
申请公布号	GB502457(A)	申请公布日期	1939.03.17
申请号	GB19380022310	申请日期	1938.07.27
申请人	HANS FREUDENBERG	发明人
分类号	F16C33/74;F16J15/36	主分类号	F16C33/74
代理机构		代理人
主权项
地址

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