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发明名称
OPTISCHE MESSVORRICHTUNG ZUR MESSUNG DER VERAENDERUNGEN DES OPTISCHEN WEGES ZWISCHEN EINEM BEZUGSKANAL UND EINEM MESS KANAL
摘要
申请公布号
DE1448552(B2)
申请公布日期
1972.01.27
申请号
DE19641448552
申请日期
1964.05.06
申请人
发明人
分类号
G01B9/02;G02F2/00;H01S3/00;H01S3/23;(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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