US PATENT SUBCLASS 111 / 16
.~.~ Check correcting
Current as of:
June, 1999
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111 /
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PLANTING
14
DF
DRILLING
{12}
15
DF
.~ Hill-planting machines {5}
16
.~.~ Check correcting {1}
17
DF
.~.~.~
> With automatic regulator
DEFINITION
Classification: 111/16
(under subclass 15) Devices embodying instrumentalities for effecting a change in the relationship of machine parts for the purpose of starting or maintaining the transverse alinement of points of material deposit in successively-drilled lines.