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Publication of FR363831ApublicationCriticalpatent/FR363831A/fr
B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
B29B15/00—Pretreatment of the material to be shaped, not covered by groups B29B7/00 - B29B13/00
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FR363831D1906-03-051906-03-05Procédé pour l'extraction de caoutchouc brut des plantes à caoutchouc
ExpiredFR363831A
(fr)
Procédé colonial pour l'extraction de caoutchouc des plantes d'origine ou pour l'épuration de qualités de caoutchouc insuffisamment travaillées