According to the paper, obtained by the Guardian, 52 electrical components manufactured by western companies were found in the Shahed-131 drone and 57 in the Shahed-136 model, which has a flight range of 2,000km (1,240 miles) and cruising speed of 180kmh (111mph).
Five European companies including a Polish subsidiary of a British multinational are named as the original manufacturers of the identified components.
“Among the manufacturers are companies headquartered in the countries of the sanctions coalition: the United States, Switzerland, the Netherlands, Germany, Canada, Japan, and Poland,” it claims.