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Bank Loans (Details) - EUR (€)
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Bank Loans (Details) [Line Items]    
Bank loan interest expense € 159,197 € 132,861
Unsecured bank loans € 3,400,000  
Interest payable average rate 2.11%  
Interest expense from line of credit € 133,977 61,357
Bank Loan [Member]    
Bank Loans (Details) [Line Items]    
Bank loan interest expense € 4,132 € 5,215