Simplex Wire and Cable Company. In matter of Simplex Wire and Cable Company and Wire & Cable Workers Federal Local Union 21020, affiliated with A. F. of L.; in matter of Simplex Wire and Cable Company and Wire & Cable Workers Federal Local Union 21020, affiliated with American Federation of Labor; in matter of Simplex Wire & Cable Co. and Simplex Employees Association, cases nos. C-359, R-396, and R-397; supplemental decision and order, May 31, 1938.