Patent classifications
C
CHEMISTRY; METALLURGY
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C03
GLASS; MINERAL OR SLAG WOOL
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C03B
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
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9/00
Blowing glass; Production of hollow glass articles
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C03B9/14
in "blow" machines or in "blow-and-blow" machines
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C03B9/16
in machines with turn-over moulds
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