|
DE3104477A1
|
|
Device for measuring the physical properties of a snow cover
|
|
DE3022786A1
|
|
Rotating shutter in TV camera - has driving motor synchronised by frame and line pulses achieving sharp, slow motion replay
|
|
DE3005055A1
|
|
BUILT-IN DEVICE FOR MEASURING SNOW
|
|
DE2815773A1
|
|
WARNING SYSTEM FOR ROADS ON AN AVALANCHE HAZARDOUS MOUNTAIN SLOPE
|
|
DE2651961A1
|
|
Electromagnetic detector system for metal ball bearings - operates with offset coils in non-magnetic tube as null point detector
|
|
DE2252071A1
|
|
SNOW LEVEL, PREFERABLY FOR USE AS AN AVALANCHE WARNING DEVICE
|
