DAIRYLOG
APPARTUS FOR CALCULATING, STORING AND RETRIEVING INFORMATION RELATING TO MILK PRODUCTION, NAMELY, COMPUTER HARDWARE AND SOFTWARE IN THE FORM OF A HAND HELD, SELF-POWERED DATA PROCESSOR AND A BASE UNIT INCLUDING A PRINTER AND BATTERY CHARGER FOR THE HAND-HELD PROCESSOR
Abandoned · December 1, 1983 · 73455070 ·