Metal working
Barrier layer or semiconductor device making
Barrier layer device making
Inventor
active
Method of manufacturing grid electrodes for electron tubes
Method of manufacturing grid electrodes for electron tubes
No associations
LandOfFree
Johannes Wilhelmus Antonius Krol does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Johannes Wilhelmus Antonius Krol, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Johannes Wilhelmus Antonius Krol will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-589345