Heat insulating meatal sheets
United States Patent 3186888

Inventors:
Rudolf, Gaeth
Bernhard, Schmitt
Rudolf, Breu
Publication Date:
06/01/1965
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Assignee:
BASF AG
Primary Class:
Other Classes:
428/432, 156/311, 156/325, 156/306.600
International Classes:
C04B28/26; E04B1/94; C04B28/00
US Patent References:
2434466Composite board
2756159Sound deadening composition