A - Human Necessities – 01 – D
Patent
A - Human Necessities
01
D
51/34, 56/36
A01D 50/00 (1980.01)
Patent
CA 1058886
ABSTRACT OF THE DISCLOSURE: An abrasive or other filament-working member is mounted at the sweep circle of a vegetation trimmer filament for progressively sharpening the end of the filament and removing excess filament during opera- tion of the vegetation filament-trimmer; the filament working member may include means causing the filament to heat.
276786
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