1
Beekeeping for Poverty Alleviation and Livelihood Security: Vol. 1: Technological Aspects of Beekeeping

Beekeeping for Poverty Alleviation and Livelihood Security: Vol. 1: Technological Aspects of Beekeeping

წელი:
2014
ენა:
english
ფაილი:
PDF, 14.28 MB
0 / 0
english, 2014
2
Heat Pipes: Construction and Application: A Study of Patents and Patent Applications

Heat Pipes: Construction and Application: A Study of Patents and Patent Applications

წელი:
1987
ენა:
english
ფაილი:
PDF, 10.22 MB
0 / 0
english, 1987