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经营范围
发明名称
Laser interferometer for measuring distance using a frequency difference between two laser beams
摘要
申请公布号
US5274436(A)
申请公布日期
1993.12.28
申请号
US19900614159
申请日期
1990.11.16
申请人
RENISHAW PLC
发明人
CHANEY, RAYMOND J.
分类号
G01B9/02;(IPC1-7):G01B9/02
主分类号
G01B9/02
代理机构
代理人
主权项
地址
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