Patent classifications
G
PHYSICS
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G05
CONTROLLING; REGULATING
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G05D
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
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G05D16/04
without auxiliary power
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G05D16/06
the sensing element being a flexible membrane, yielding to pressure, e.g. diaphragm, bellows, capsule
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G05D16/063
the sensing element being a membrane
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G05D16/0644
the membrane acting directly on the obturator
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G05D16/0655
using one spring-loaded membrane
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