Title:
Fluid pressure cylinders having load responsive piston valves
United States Patent 3390616


Inventors:
Hammer, William L.
Application Number:
US49802365A
Publication Date:
07/02/1968
Filing Date:
10/19/1965
Assignee:
WILLIAM L. HAMMER
Primary Class:
Other Classes:
91/224, 91/436, 92/85B, 92/85R
International Classes:
F15B15/14
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