Telephonic communications
Multi-line or key substation system with selective switching...
Switching or supervision feature
Inventor
active
Key telephone system
Optical device
No associations
LandOfFree
Hikaru Sano does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Hikaru Sano, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hikaru Sano will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-1746180