Crystal cutting apparatus,申请号US19280328132-传众专利搜索

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发明名称	Crystal cutting apparatus
摘要
申请公布号	US1876757(A)	申请公布日期	1932.09.13
申请号	US19280328132	申请日期	1928.12.24
申请人	IRA GUILDEN	发明人	ROHLAND CURT J.
分类号	G04D3/06	主分类号	G04D3/06
代理机构		代理人
主权项
地址

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