C - Chemistry – Metallurgy – 22 – B
Inventor
C - Chemistry, Metallurgy
22
B
Inventor
Country: Canada
Bi-metallic coin
Control of electromagnetic signals of coins through...
Method of making bi-metallic coins or blanks
Recovery of silver values from chlorides including silver...
Bi-metallic coin
Recovery of silver values from chlorides including silver...
LandOfFree
Hieu Cong Truong does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hieu Cong Truong, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hieu Cong Truong will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-1158278