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CH685047A5
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Device for the monitored processing and billing of sales of goods and services at petrol stations
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CA2033088A1
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Access control device
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CH679810A5
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Fully automatic parking time control - is based upon charge rate fixed by detection of number of vehicle occupants
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CH677703A5
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Automatic car park control system - uses optical and/or acoustic scanning of each vehicle eliminating need for parking tickets
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CH667151A5
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Device for continuously measuring the thickness of a plate- or strand-shaped workpiece sliding in its longitude.
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CH667159A5
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Self-cashing surveillance for charged parking.
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CH662884A5
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Heat meter.
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US4520657A
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Apparatus for determining the pressure of capillary water, especially in soil
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CH654942A5
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Self-cashing parking monitoring system.
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CH652505A5
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Tensiometer for determining the pressure of the capillary water in the soil
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CH653133A5
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Appliance for monitoring the air for atypical pollutants
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