Uncategorized
Inventor
Method for obtaining active silica from silicates and...
Method of obtaining basic aluminium-ammonium-alum
Method of refining aluminium ammonium alum
No associations
LandOfFree
Jan Lis does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Jan Lis, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Jan Lis will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-545259