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Prepaid Expense (Tables)
 6 Months Ended
Jun. 30, 2023
Prepaid Expense [Abstract]  
Schedule of Prepaid Expense Prepaid expense as of June 30, 2023 and December 31, 2022 are summarized as below:
   June 30,
2023		   December 31,
2022		 
Advancement to suppliers for inventory  €884,768   €632,185 
Advancement for PP&E under construction   11,258    26,727 
Conference   2,995    61,036 
Security deposits and others   15,957    15,658 
   €914,978   €735,606