Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B23
MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
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B23D
PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
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1/00
Planing or slotting machines cutting by relative movement of the tool and workpiece in a horizontal straight line only
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B23D1/20
with tool-supports or work-supports specially mounted or guided for working in different directions or at different angles; Special purpose machines
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B23D1/26
for planing edges or ridges or cutting grooves
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