Patent classifications
C
CHEMISTRY; METALLURGY
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C08
ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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C08C
TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
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4/00
Treatment of rubber before vulcanisation, not provided for in groups C08C1/00 - C08C3/02
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