首页>
外国专利>
A New procedure to build Rails, beams, rods, beams and Wood joists in the Interior and in the direction of the Grain of the Wood,Van Steel or Copper wires that are Elastic and resistant and jump or to prevent splintering.
A New procedure to build Rails, beams, rods, beams and Wood joists in the Interior and in the direction of the Grain of the Wood,Van Steel or Copper wires that are Elastic and resistant and jump or to prevent splintering.
