Venturi unit for a vacuum lifter

The ornamental design for a venturi unit for a vacuum lifter, as shown and described.

FIG. 1 is a front perspective view of a venturi unit for a vacuum lifter showing my new design;

FIG. 2 is a rear perspective view thereof.

The undisclosed bottom view is the same as the top view as shown in FIGS. 1 and 2.

Patent	Priority	Assignee	Title
7543868,	Apr 13 2005	The Caldwell Group, Inc.; THE CALDWELL GROUP, INC	Mechanically actuated vacuum lifting device
D348133,	Jun 26 1992	Dansk Industri Design aps	Vacuum fixation device

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