IC 012. US 019 021 023 031 035 044. G & S: Windows for automobiles
IC 019. US 001 012 033 050. G & S: Building glass; insulating glass for windows for building purposes; glass panels for building construction; glass tiles not for roofing; decorative glass for building; window glass, for building
IC 020. US 002 013 022 025 032 050. G & S: Mirrors made of reflective coating glass; mirrors
IC 021. US 002 013 023 029 030 033 040 050. G & S: Glass, unworked or semi-worked, except building glass
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