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3452965
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Information
Patent Grant
3452965
References
Source
Patent Number
3,452,965
Date Filed
Not available
Date Issued
Tuesday, July 1, 1969
55 years ago
CPC
B29C47/48 - using screws arranged coaxially, one within the other
B29B7/427 - with independently driven screws rotating about the same axis
B29C47/0009 - characterised by the shape of the articles
US Classifications
366 - Agitating
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