STAND FOR BASELESS CYLINDERS
United States Patent 3461728
Inventors:
Paoli, August J.
Publication Date:
08/19/1969
Assignee:
August, Paoli J.
Other Classes:
422/104, 211/74, 215/386, 215/395, 248/146
International Classes:
B01L9/06; B01L9/00; G01F19/00