Patent classifications
G
PHYSICS
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G01
MEASURING; TESTING
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G01N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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7/00
Analysing materials by measuring the pressure or volume of a gas or vapour
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G01N7/14
by allowing the material to emit a gas or vapour, e.g. water vapour, and measuring a pressure or volume difference
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