Bosch numbers for horns

[Brett Johnson]

Can anyone fill in the Bosch numbers for me in this listing? If there are corrections, please advise.

The first horns were used until chassis number 301224 in May 1965

901.635.102.00 – 390 Hz – Bosch number 0 3???????
901.635.112.00 – 520 Hz – Bosch number 0 3???????

301225 through the end of the 1966 model year

901.635.102.01 – 290 Hz – Bosch number 0 3
901.635.112.01 – 345 Hz – Bosch number 0 320 231 002?

Fanfare horn 1967-1969 model years

901.635.112.02 – 400 Hz, left – Bosch number 0 321 023 002
902.635.102.00 – 335 Hz deep tone, right – Bosch number 0 320 043 017 -- this is not a fanfare horn
901.635.113.02 – 500 Hz, right (comfort group 1969) – Bosch number 0 3

Fanfare horn 1970-1973 model years, both horns are on the left side

911.635.101.00 – high tone 735 Hz – Bosch number 0 321 023 020
911.635.102.00 – low tone 630 Hz – Bosch number 0 321 023 019