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NOTE 5 – INVENTORIES (Tables)
12 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Inventories
Inventories          
   As of June 30,
   2021  2020
Purchased parts, components and supplies  $1,393,329   $1,544,036 
Work-in-process   270,090    104,734 
Inventories  $1,663,419   $1,648,770