Wave transmission lines and networks
Coupling networks
Electromechanical filter
Inventor
active
No associations
LandOfFree
Sonja Heidi Johannes does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Sonja Heidi Johannes, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sonja Heidi Johannes will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-2516593