Yazar
walter g heid
2 cilt bulundu.
Cilt sonuçları
The performance and economic feasibility of solar grain drying systems
Walter G. Heid · Dept. of Agriculture, Economics, Statistics, and Cooperatives Service
33 sayfa · 1978
Drying / Grain
Yazar
2 cilt bulundu.
Walter G. Heid · Dept. of Agriculture, Economics, Statistics, and Cooperatives Service
33 sayfa · 1978
Drying / Grain