Optisches Testobjekt fuer die Pruefung von Spiralbohrern,申请号DE1954SC15844-传众专利搜索

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发明名称	Optisches Testobjekt fuer die Pruefung von Spiralbohrern
摘要
申请公布号	DE943496(C)	申请公布日期	1956.05.24
申请号	DE1954SC15844	申请日期	1954.07.15
申请人	DR. HEINRICH SCHNEIDER	发明人	ROEPER DIPL.-PHYS. ERICH EMIL
分类号	B23Q17/09	主分类号	B23Q17/09
代理机构		代理人
主权项
地址

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