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B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
B27B3/02—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks with vertically-reciprocating saw frame
B27B3/12—Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibration; Arrangements for counter-balancing
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FR969913D1948-07-271948-07-27Procédé de commande des machines à mouvement rectiligne alternatif
ExpiredFR969913A
(fr)
Machine à mouvement rectiligne alternatif transformé en mouvement rotatif continu par l'intermédiaire d'un mouvement semi-circulaire alternatif