Mats and panels of fibers comprising mainly canvas for use in the production of flooring of trunks and passenger compartments and in the production of separation boards fitted to vehicles, trunks and passenger compartments for vehicles; semi-processed cellulose acetate, canvas hose pipes, artificial and synthetic resins, epoxy and polyester in rolls or sheets for further manufacture, and all of the aforesaid goods made in whole or combined in significant part with flax