400
350
300
250
200
150
100
50
283
01
02
03
0
TABLE E (Cont.)
Patents registered in Hong Kong 1980 - 1990
Class G
1
2 3 4
5 6 7 8 9 10 11 12
Section G
-
Physics
Measuring; Testing
Optics
Photography; Cinematography; analogous techniques using waves other than
optical waves; electrography; holography
Controlling; Regulating
04
Horology
05
06
Computing; Calculating; Counting
07
08
09
10
Checking devices
Signalling
Educating; cryptography; display; advertising; seals
Musical instruments; acoustics
11
Information storage
12
Instrument details
71