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2885157
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Information
Patent Grant
2885157
References
Source
Patent Number
2,885,157
Date Filed
Not available
Date Issued
Tuesday, May 5, 1959
65 years ago
CPC
B02C4/26 - in the form of a grid or grating
B02C19/0056 - specially adapted for specific materials not otherwise provided for
C04B7/36 - Manufacture of hydraulic cements in general
US Classifications
241 - Solid material comminution or disintegration
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