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2923322
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Patent Grant
2923322
References
Source
Patent Number
2,923,322
Date Filed
Not available
Date Issued
Tuesday, February 2, 1960
65 years ago
CPC
G01F3/225 - characterised by constructional features of membranes or by means for improving proper functioning of membranes
US Classifications
092 - Expansible chamber devices
073 - Measuring and testing
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