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发明名称
PHOTOELECTRIC MEASURING DEVICE
摘要
申请公布号
EP0250711(A3)
申请公布日期
1989.06.14
申请号
EP19870102858
申请日期
1987.02.27
申请人
DR. JOHANNES HEIDENHAIN GMBH
发明人
ERNST, ALFONS, DIPL.-ING.
分类号
G01B11/00;G01D5/36;G01D5/38;(IPC1-7):G01B21/00
主分类号
G01B11/00
代理机构
代理人
主权项
地址
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