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Tokai Rika Co Ltd
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Tokai Rika Co Ltd
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Filing date
Publication date
Application filed by Tokai Rika Co LtdfiledCriticalTokai Rika Co Ltd
Priority to JP8153475ApriorityCriticalpatent/JPS525563A/en
Publication of JPS525563ApublicationCriticalpatent/JPS525563A/en
PURPOSE: To obtain a liquid level detector which works accurately with simple structure;a closed liquid tank is comunicated with a cylinder, that is closed by a piston, by a pipe, and a contactor of an alarm is fixed on the cylinder and the other contactor is set on the piston.