Title:
Means for controlling hydraulically operated working cylinders
United States Patent 2214308

Inventors:
Josef, Polak
Publication Date:
09/10/1940
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Assignee:
Josef, Polak
Primary Class:
Other Classes:
251/25, 60/563, 60/547.100, 251/55, 425/590
International Classes:
B22D17/32