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Allegro S A Soc Ind
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Allegro S A Soc Ind
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Publication of FR678421ApublicationCriticalpatent/FR678421A/en
B24D15/00—Hand tools or other devices for non-rotary grinding, polishing, or stropping
B24D15/06—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges
B24D15/08—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors
B24D15/085—Hand tools or other devices for non-rotary grinding, polishing, or stropping specially designed for sharpening cutting edges of knives; of razors with reciprocating whetstones
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Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
FR678421D1928-07-141929-07-13
Improvements to devices for sharpening and ironing razor blades
ExpiredFR678421A
(en)