CPC Subgroup
G04B 49/02 Sundials
Full Title
Time-pieces using the position of the sun, moon or stars > Sundials
1 direct subcode
Child Classifications
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- G04B 49/04 Graduation or shaping of dials
G04B 49/02 Time-pieces using the position of the sun, moon or stars > Sundials
1 direct subcode
Navigate with arrow keys, Enter to open