Leif Johansson

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Ganglaten, SW

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Patents Grantslast 30 patents

Information Patent Grant
Connecting piece for mounting a ventilation element in an opening i...
- Patent number 4,058,329
- Issue date Nov 15, 1977
- Aktiebolaget Svenska Flaktfabriken
- Leif Johansson
- F24 - HEATING RANGES VENTILATING