Comparing principles of wiring used on different phones WE302, EB1934, EB1953, Antwerp phones etc.
If we look on the voice circuit and forgets values, terminations, hook-switches and dials, pretty many phones did use the same solution.
The W.E. 302 tha "everyone" knows had the same solution as the Norwegian EB 1934:
http://www.classicrotaryphones.com/forum/index.php?topic=12361.0EB 1953:http://www.classicrotaryphones.com/forum/index.php?topic=8478.0Antwerp/Standard 1952:
http://www.classicrotaryphones.com/forum/index.php?topic=24221.0Antwerp/BTMC/STC cb telephone 1950:http://www.classicrotaryphones.com/forum/index.php?topic=10031.0
Probably many more
dsk