Unknown:

- Wuppertal (Germany)

- Diedorf (Germany)

- Dieterskirchen (Germany)

- Fulda (Germany)

- Frankfurt am Main (Germany)

- Neuenhaus (Germany)

- Southend on Sea (UK)

- Santa Maria Maddalena (Italy)

- Milano (Italy)

- San Dona Di Piave (Italy)

- Marina Di Carrara (Italy) Sindel P.L. 6000

- Perinaldo (Italy) Cubex

- Bedford (UK) P.G. Stone

- Burgdorf (Switzerland) Kenko NE-3

- Dimitrovgrad (Bulgaria) Milko Milanov

​- Melbourne (Australia) Walter Giardini

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