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US2337686A
|
|
Process for the conversion of refuse into a humus fertilizer material
|
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IE16009L
|
|
Converting refuse into fertiliser
|
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GB533153A
|
|
Process and apparatus for the conversion of refuse into a humus fertiliser material
|
|
IE15109L
|
|
Bacterial degradation of organic matter; fertilisers
|
|
US2168722A
|
|
Process for the production of predigested vegetable foodstuff for animals
|
|
US2158918A
|
|
Process for producing humus fertilizer
|
|
GB495873A
|
|
Improvements relating to the production of organic fertilisers
|
|
GB488639A
|
|
A new or improved humus fertiliser and a process for producing the same
|
|
GB488704A
|
|
A new or improved pre-digested vegetable foodstuff for animals and a process for producing the same
|
|
CA392823A
|
|
Organic fertilizer
|
|
CA420139A
|
|
Organic matter fermentation process
|
|
CA392821A
|
|
Humus fertilizer
|
|
CA392822A
|
|
Organic fertilizer
|
|
CA405191A
|
|
Humus fertilizer production
|
