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POUR L EXPLOITATION DU CAOUTCHOUC AU CONGO Ste
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POUR L EXPLOITATION DU CAOUTCHOUC AU CONGO Ste
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Application filed by POUR L EXPLOITATION DU CAOUTCHOUC AU CONGO StefiledCriticalPOUR L EXPLOITATION DU CAOUTCHOUC AU CONGO Ste
Application grantedgrantedCritical
Publication of FR14253EpublicationCriticalpatent/FR14253E/en
Improvements in apparatus for extracting rubber, and other gums, from plants, bark, fibers and other similar materials, as well as for cleaning raw rubber and other equivalent materials