Method of producing bodies of bituminous or tarry material
United States Patent 2093450

Inventors:
Felix, Jacobsohn
Publication Date:
09/21/1937
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Assignee:
Felix, Jacobsohn
Primary Class:
208/6
Other Classes:
208/44, 208/22, 106/DIG.007, 106/247, 106/274
International Classes:
C10C3/04; C10C3/00