Heat insulation of walls
United States Patent 1718507

Inventors:
Wenzel, Edwin H.
Janisch, Maximillian P.
Publication Date:
06/25/1929
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Assignee:
Wenzel
Primary Class:
427/196
Other Classes:
406/153, 406/125, 406/144, 105/423, 52/404.100, 62/DIG.013
International Classes:
B05B7/14; E04B1/76; E04F21/12; E04F21/02