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BOIS ET DERIVES SA
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BOIS ET DERIVES SA
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Application grantedgrantedCritical
Publication of FR871788ApublicationCriticalpatent/FR871788A/fr
B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
B60B9/02—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces using springs resiliently mounted bicycle rims
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Engineering & Computer Science
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Mechanical Engineering
(AREA)
FR871788D1941-04-111941-04-11Roues et objets de forme analogue faits au moyen de feuilles minces de matière souple et leur procédé de fabrication
ExpiredFR871788A
(fr)
Procédé pour la production industrielle de meules abrasives par incorporation d'éléments abrasifs au support en bois tendre, et meules obtenues par ce procédé