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3881345
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Information
Patent Grant
3881345
References
Source
Patent Number
3,881,345
Date Filed
Not available
Date Issued
Tuesday, May 6, 1975
49 years ago
CPC
G01N3/10 - generated by pneumatic or hydraulic pressure
G01N15/08 - Investigating permeability, pore-volume, or surface area of porous materials
G01N33/241 - for hydrocarbon content
Y10S33/05 - Differential transformer
US Classifications
073 - Measuring and testing
033 - Geometrical instruments
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