Improvements in gear grinder and the like,申请号GB19310004892-传众专利搜索

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发明名称	Improvements in gear grinder and the like
摘要
申请公布号	GB371987(A)	申请公布日期	1932.05.05
申请号	GB19310004892	申请日期	1931.02.16
申请人	PRATT & WHITNEY COMPANY	发明人
分类号	B23F5/02	主分类号	B23F5/02
代理机构		代理人
主权项
地址

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