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发明名称
OPTICAL SYSTEM OF A HIGHLY PRECISE SCALES
摘要
申请公布号
PL153600(B2)
申请公布日期
1991.05.31
申请号
PL19880276527
申请日期
1988.12.16
申请人
发明人
分类号
G01G;G01G1/22;(IPC1-7):G01G1/22
主分类号
G01G
代理机构
代理人
主权项
地址
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