Uncategorized
Inventor
Magnetic alloy
Nickel-cobalt and iron alloy
Electricity conductor
Magnetic alloy
Nickel-cobalt and iron alloy
Refinement of nickel alloys
LandOfFree
John Ancel Holden 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 Ancel Holden, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and John Ancel Holden will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-80285