|
EP0176488A1
|
|
Instrument for measuring electrical quantities, having adjustable threshold detectors
|
|
EP0175656A2
|
|
System for the two-way line transmission of electrical signals and an indicator instrument incorporating such a system
|
|
FR2530012A1
|
|
Mechanical totalizer, particularly for kilometer meters of motor vehicles
|
|
DE3009879A1
|
|
TURNING REEL, IN PARTICULAR FOR MEASURING AN ELECTRICAL CURRENT
|
|
DE3009878A1
|
|
TURNING REEL, IN PARTICULAR FOR MEASURING AN ELECTRICAL VOLTAGE
|
|
DE2922902A1
|
|
FREQUENCY CURRENT CONVERTER, ESPECIALLY SUITABLE FOR DISPLAY DEVICES
|
|
DE2751045A1
|
|
MECHANICAL COUNTER
|
