Title:
Machine for mixing concrete mixtures and for washing sand and the solid ingredients thereof
United States Patent 1516773


Inventors:
Stuart, Lancaster John
Application Number:
US67748723A
Publication Date:
11/25/1924
Filing Date:
11/28/1923
Assignee:
John, Faulder Burn
Primary Class:
Other Classes:
209/452
International Classes:
B28C5/20
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