Ekhard Kucharczyk - Info zur Person mit Bilder, News & Links

	Siegen Wilnsdorf

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SIEGENIA-FRANK KG, Wilnsdorf, DE

Bücher

Official Gazette of the United States Patent and Trademark Office: ...books.google.com › books

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No. W , PCT Pub . Ekhard Kucharczyk , Wilnsdorf , Fed . Rep . of Germany , assignor Date Apr. 21 , to Siegenia - Frank KG , Siegen , Fed .

Official Gazette of the United States Patent and Trademark Office:...

books.google.co.uk

Ekhard Kucharczyk , Wilnsdorf , Fed . Rep . of Germany , assignor Date Apr. 21 , to Siegenia - Frank KG , Siegen , Fed . Rep . of Germany PCT Filed ...

Sonstiges

US A - Ventilation device with heat recovery Google...

patents.google.com

Ventilation device for the simultaneous ventilating and exhausting an enclosed room having the capacity for the recovery of heat from the exhaust media...

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