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DK34606D1924-04-021924-04-02Maskine til Indfangning og Uskadeliggørelse af Biller og andre Skadedyr paa rækkevis voksende Planter og Buske.
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Un procedimiento industrial para abono de la tierra vegetal, consistente en la utilización de "Bases Manganesíferas" para hacer fertilizante y asimilable a la vegetación los elementos constitutivos del suelo.