D21F 11/08
Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the cylinder type paper or board consisting of two or more layers
Currently, there are no issues on this topic.
Find more entities like D21F 11/08
Use the Golden Query Tool to find similar entities by any field in the Knowledge Graph, including industry, location, and more.
