OTT
德国 . OTT
OTT
德国OTT  www.ott-hydrometry.de www.ott.com  www.hach.com.cn  www.hach.com德国OTT公司成立于1873年,从事水文仪器研发、生产和系统集成的著名公司The history of our company is a history of novelties. In 1873, Albert OTT founded his 'Mathematical-Mechanical Institute A.OTT'. His first measuring instrument, a Current Meter from the year 1875, already set a standard. In the following more than 130 years, OTT has become Europ…… 详情>
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