Little-known facts about level gauges you might not know
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What is the principle behind the world’s first electronic level gauge? Who produced it? Do you know that the world’s first radar level gauge was produced in 1975 by a Swiss company named SAAB? What about the first servo level gauge? What about the capacitor? What about ultrasound?
Hehe, the last poster who played such a guessing game – the grass on their grave is already as tall as a person now……
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It doesn’t matter who manufactured it; what’s important is being able to use and repair the level gauge that’s currently in use. After all, one isn’t going to participate in a knowledge competition.