US PATENT SUBCLASS 111 / 54
.~.~.~ Flexible
Current as of:
June, 1999
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111 /
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PLANTING
14
DF
DRILLING
{12}
52
DF
.~ Frame and planting-element arrangement {4}
53
DF
.~.~ Sectional main frame {2}
54
.~.~.~ Flexible {2}
55
DF
.~.~.~.~
> With auxiliary frame
56
DF
.~.~.~.~
> Break joint
DEFINITION
Classification: 111/54
(under subclass 53) Devices wherein sections of the frame hingedly connected to permit relative movement of the sections.
