Uncategorized
Inventor
Country: Canada
Automatic electric alarm
Electrical signalling device for railways
Lighting fixture
Railway track indicator
Automatic electric alarm
Electrical signalling device for railways
Lighting fixture
Railway track indicator
LandOfFree
Niels Lang does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Niels Lang, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Niels Lang will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-P-398329