G
PHYSICS
G
PHYSICS
G09
EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G09
EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
G09F
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
G09F9/00
Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
G09F9/00
Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
G09F9/30
in which the desired character or characters are formed by combining individual elements
G09F9/30
in which the desired character or characters are formed by combining individual elements