Artichokes Vinaigrette

• 4 extra artichokes
• 3 garlic (cloves)
• 475 ml concentrated lemon juice
• 240 ml olive oil
• 120 ml wine vinegar (white)
• 18 gr pimiento (chopped)
• 9 gr capers
• 8 gr salt
• 1 gr black pepper
• 1 gr oregano (dried)