Josef Koch

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Aarau, CH

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Patents Grantslast 30 patents

Information Patent Grant
Modular shutter for windows or the like
- Patent number 4,444,242
- Issue date Apr 24, 1984
- Emil Schenker AG
- Bruno Amsler
- E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS