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发明名称
Lock-in amplifier with selectable phase selectivity
摘要
申请公布号
EP0821241(B1)
申请公布日期
2005.10.26
申请号
EP19970112436
申请日期
1997.07.21
申请人
COLUMBUS SCHLEIF-UND ZERSPANTECHNIK HARD-UND SOFTWARE GMBH
发明人
ZUERL, KONRAD, DR.-ING.;WEISS, ARMIN, DIPL.-PHYS.;HEEL, HELMUT, ING.-U. DIPL.
分类号
A61B5/00;G01N33/487;H03D7/00;H03F3/66;H03F99/00;(IPC1-7):G01R25/00;G01R19/00
主分类号
A61B5/00
代理机构
代理人
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