Automatic feeding of poultry and pigs : a guide to the practical design of installations.
Saved in:
企业作者: | |
---|---|
格式: | 图书 |
语言: | English |
出版: |
[Kenilworth] :
Electricity Council Farm-electric Centre,
1974.
|
丛编: | Farm electric handbook ;
20 |
主题: |
CARM 1 Store
索引号: |
A1:AP24E0 B07897 |
---|---|
复印件 1 | 可用 预订 |