Approved Code No. 84 — Supplement No. 20 Registry No. 1104—09 NATIONAL RECOVERY ADMINISTRATION SUPPLEMENTARY CODE OF FAIR COMPETITION FOR THE MACHINE SCREW NUT MANUFACTURING INDUSTRY (A Division of the Fabricated Metal Products Manufacturing and Metal Finishing and Metal Coating Industry) AS APPROVED ON MAY 5, 1934 •* . — t !■"»' UNIV.