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3337989
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Information
Patent Grant
3337989
References
Source
Patent Number
3,337,989
Date Filed
Not available
Date Issued
Tuesday, August 29, 1967
56 years ago
CPC
F23B50/02 - the fuel forming a column, stack or thick layer with the combustion zone at its bottom
A01C23/042 - Adding fertiliser to watering systems
C09K17/04 - applied in a physical form other than a solution or a grout
US Classifications
047 - Plant husbandry
071 - Chemistry: fertilizers
210 - Liquid purification or separation
261 - Gas and liquid contact apparatus
422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing
423 - Chemistry of inorganic compounds
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