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Note 2 - Inventories: Schedule of Inventory, Current (Tables)
3 Months Ended
Mar. 31, 2019
Tables/Schedules  
Schedule of Inventory, Current

 

 

March 31,

2020

December 31,

2019

Parts

$       130,471

$       116,843

Work in progress

350,327

379,987

Finished goods

289,749

325,989

Total inventory

$       770,547

822,819