has international classification

4 triples
GPTKB property

Random triples
Subject Object
gptkb:US20130204212_A1 G06 F 3/048
gptkb:Patent_US7890123 G06 F
gptkb:US_Patent_2003/0191234_A1 G06 F 17/30
gptkb:US123456789_B2 G06 F