Milk inlet blocking device prototype
<img src='https://view01.wemep.co.kr/wmp-product/6/281/1188462816/pd_pfrh6zriowsp.jpg'><br><img src='https://view01.wemep.co.kr/wmp-product/6/281/1188462816/pd_dc71gqub9oyf.jpg'><br><img src='https://view01.wemep.co.kr/wmp-product/6/281/1188462816/pd_e3utu2vixhp8.jpg'>