Improvements in retaining rings,申请号GB19460033492-传众专利搜索

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发明名称	Improvements in retaining rings
摘要
申请公布号	GB627059(A)	申请公布日期	1949.07.27
申请号	GB19460033492	申请日期	1946.11.11
申请人	WALDES KOH-I-NOOR, INC.	发明人
分类号	F16B21/20;F24C15/34	主分类号	F16B21/20
代理机构		代理人
主权项
地址

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