Improved method for the manufacture of plaited artificial silk incandescent mantles

摘要

395,975. Incandescent mantles. DEUTSCHE GASGLœHLICHT-AUERGES., 16, Rotherstrasse, Berlin. Feb. 7, 1933, No. 3775. Convention date, May 17, 1932. [Class 75 (i).] Incandescent mantles made from plaited artificial silk are provided with reinforcing ribs composed of staple fibre.