1
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Material Type: Recurso Textual
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The mobile irrigation equipment
Slavicek, Z
Prague (Czechoslovakia): Urad pro Vynalezy a Objevy 1987
Sem texto completo
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2
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Material Type: Recurso Textual
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Device for the automated ventilation of plastic film greenhouses and of glasshouses
Prochazka, L
Prague (Czechoslovakia): Urad pro Vynalezy a Objevy 1986
Sem texto completo
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3
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Material Type: Recurso Textual
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Sectional construction of a plastic film cover for the forcing of agricultural crops
Babak, J
Prague (Czechoslovakia): Urad pro Vynalezy a Objevy 1986
Sem texto completo
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