WISSMANN, Rolf, Bernhard

CH-1222 Vesenaz

Trademarks, designs and patents

COMPOSITIONS DE NYLON APTES A L'EXTRUSION-SOUFFLAGE

European patent · EP0740688 · Inventor

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MINERALGEFÜLLTE COPOLYAMIDZUSAMMENSETZUNGEN

European patent · EP0696304 · Inventor

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POLYAMID-POLYOLEFIN MISCHUNGEN

European patent · EP0605657 · Inventor

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