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7283086 |
Fill level measuring device working with microwaves
A fill level measuring device working with microwaves is provided, with which, with very small inventory cost, many applications having a wide variety of different measuring conditions can be...
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7249504 |
Level meter
The invention relates to a level meter for metering the level of a filling substance in a container by means of electromagnetic signals that are guided into and out of the container along a...
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7204142 |
Liquid level detecting apparatus
A guide pipe is formed from a metal material, and its internal cross section has a circular shape whose diametric dimension gradually becomes smaller with a distance from an ultrasonic sensor. That...
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