Heat insulating meatal sheets
United States Patent 3186888
Inventors:
Rudolf, Gaeth
Bernhard, Schmitt
Rudolf, Breu
Publication Date:
06/01/1965
Other Classes:
428/432, 156/311, 156/325, 156/306.600
International Classes:
C04B28/26; E04B1/94; C04B28/00