Categories
The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- G03B11/04 (33 members)
- G03B13/02 (12 members)
- G03B13/06 (10 members)
- G03B13/10 (5 members)
- G03B13/18 (3 members)
- G03B13/20 (3 members)
- G03B13/32 (9 members)
- G03B13/34 (41 members)
- G03B13/36 (160 members)
- G03B15/00 (12 members)
- G03B15/02 (14 members)
- G03B15/03 (6 members)
- G03B15/05 (22 members)
- G03B15/06 (8 members)
- G03B15/07 (1 member)
- G03B17/00 (1 member)
- G03B17/02 (71 members)
- G03B17/04 (26 members)
- G03B17/08 (25 members)
- G03B17/12 (120 members)
- G03B17/14 (88 members)
- G03B17/17 (45 members)
- G03B17/18 (25 members)
- G03B17/20 (3 members)
- G03B17/24 (1 member)
- G03B17/48 (14 members)
- G03B17/53 (3 members)
- G03B17/54 (6 members)
- G03B17/55 (60 members)
- G03B17/56 (167 members)
- G03B19/16 (12 members)
- G03B21/00 (59 members)
- G03B21/13 (1 member)
- G03B21/14 (115 members)
- G03B21/16 (51 members)
- G03B21/20 (217 members)
- G03B21/28 (57 members)
- G03B21/32 (3 members)
- G03B21/43 (1 member)
- G03B21/53 (8 members)
- G03B21/54 (2 members)
- G03B21/56 (6 members)
- G03B21/58 (2 members)
- G03B21/60 (8 members)
- G03B21/604 (3 members)
- G03B21/608 (2 members)
- G03B21/62 (8 members)
- G03B27/14 (1 member)
- G03B27/52 (7 members)
- G03B27/62 (1 member)