Measuring and testing
Volume or rate of flow
Expansible chamber
Inventor
active
Bellows-type gas meter
Shaft device for a bellows-type gas meter
No associations
LandOfFree
Heinrich Bertke does not yet have a rating. At this time, there are no reviews or comments for this inventor.
If you have personal experience with Heinrich Bertke, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Heinrich Bertke will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-P-236745