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Apparatus for the indication of interesting values in respect of a hydro-culture
Apparatus for the indication of interesting values in respect of a hydro-culture
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机译:用于指示有关水产养殖的有趣价值的设备
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摘要
a device for displaying in a hydroponics present values is characterized by the fact that the device at its lower end a fluid characteristic sensor (4, 14), associated with these.an electronic circuit
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