Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Treating polymer containing material or treating a solid...
Inventor
active
No associations
LandOfFree
Johann Birke does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Johann Birke, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Johann Birke will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-867249