Apparatus for forming aerated concrete slabs
United States Patent 2270541
Inventors:
Martin, Charles A.
Publication Date:
01/20/1942
Export Citation:
Assignee:
Martin, Charles A.
Primary Class:
Other Classes:
264/271.100, 264/293, 425/458, 264/DIG.063, 264/333
International Classes:
B28B1/00; B28B1/50; B28B7/00; B28B11/08
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