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The ornamental design for a drive unit for flexshaft vibrators, substantially as shown and described. |
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FIG. 1 is a side elevational view of a drive unit for flexshaft vibrators showing our new design;
FIG. 2 is a side elevational view of the side opposite that shown in FIG. 1;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is an end elevational view taken from the right of FIG. 1;
FIG. 6 is an end elevational view taken from the left of FIG. 1; and
FIG. 7 is a perspective view thereof.
Reichel, Lee E., Voisard, David H.
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