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3901669
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Information
Patent Grant
3901669
References
Source
Patent Number
3,901,669
Date Filed
Not available
Date Issued
Tuesday, August 26, 1975
48 years ago
CPC
H03K4/56 - using a semiconductor device with negative feedback through a capacitor
B01D53/22 - by diffusion
B01D63/06 - Tubular membrane modules
C01B3/045 - in gaseous phase
G06G7/20 - for evaluating powers, roots, polynomes, mean square values, standard deviation
H03K4/04 - having parabolic shape
B01D2313/22 - Specific cooling or heating elements
Y02E60/364 - by decomposition of inorganic compounds
US Classifications
423 - Chemistry of inorganic compounds
095 - Gas separation: processes
422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
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