C - Chemistry – Metallurgy – 10 – G
Inventor
C - Chemistry, Metallurgy
10
G
Inventor
Method for reducing mineral content of sludge
Method for surcharging with sand the sludge layer of a tar...
Method of sludge disposal related to the hot water...
No associations
LandOfFree
John O.l. Roberts does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with John O.l. Roberts, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John O.l. Roberts will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-27638