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Inventor profile of:

Petra Koelsch

City:

Berlin

Country:

Germany

Published Applications:

1

Last publication date:

2005-12-01

Recent patent applications by Koelsch Petra

Petra Koelsch from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2005-12-01

US20050267223A1

Chemistry; metallurgy

Impregnating agent

InventorID:

4953181 ⎘