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3913393
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Patent Grant
3913393
References
Source
Patent Number
3,913,393
Date Filed
Not available
Date Issued
Tuesday, October 21, 1975
48 years ago
CPC
G09B25/00 - Models for purposes not provided for in G09B23/00
B44C3/025 - Superimposing layers to produce ornamental relief structures
G01N31/221 - for investigating pH value
G01P13/0093 - by making use of products
Y10T436/255 - including use of a solid sorbent, semipermeable membrane, or liquid extraction
US Classifications
073 - Measuring and testing
106 - Compositions: coating or plastic
264 - Plastic and nonmetallic article shaping or treating: processes
422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
427 - Coating processes
434 - Education and demonstration
436 - Chemistry: analytical and immunological testing
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