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Inventor

SIEJAK VOLKER

DE12 patents
⚠️ This page may combine multiple inventors who share the name “SIEJAK VOLKER”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

AKZO NV

5 patents

AKZO NOBEL NV

5 patents

PHP FIBERS GMBH

1 patent

SIEJAK VOLKER

1 patent