Product number (P/N): 1,
Keywords/Tags: 1
Date of intro: ~1972,
Number of keys: 22,
Keyboard Array (Rows x Columns): 04x07, Keyboard Layout: [T] [K] [7] [8] [9] [x] [(Division)] - [RM] [RV] [4] [5] [6] - [CM] [C] [1] [2] [3] [+=] [-=] - [CE] [0] [.],
Classification: / Clones / Desktop with Display,
Serie-members:
(Clones): Resemblance 516_4_4_15
(Clones): Resemblance 516_4_6_17
(Clones): Resemblance 516_4_6_17A
(Clones): Resemblance 516_4_6_20
(Clones): Resemblance 516_4_6_21
(Clones): Resemblance 516_4_6_22
(Clones): Resemblance 516_4_6_22A
(Clones): Resemblance 516_4_6_23
(Clones): Resemblance 516_4_7_20
(Clones): Resemblance 516_4_7_21
(Clones): Resemblance 516_4_7_21A
(Clones): Resemblance 516_4_7_22
(Clones): Resemblance 516_4_7_23
(Clones): Resemblance 516_4_7_24
(Clones): Resemblance 516_4_7_25
(Clones): Resemblance 516_4_8_26,