Patent for diaphragm press filed
Date or time period: 1981
In 1981, Valentin Balass on behalf of the Bucher-Buyer company, filed a patent for a diaphragm ('air-bag') press
The Australian Wine Research InstituteAWRI Wine HistoryDate or time period: 1981
In 1981, Valentin Balass on behalf of the Bucher-Buyer company, filed a patent for a diaphragm ('air-bag') press