164454 ⎘
Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
Method and device for improving the stability of height difference measurement based on corrugated tube
#2A SETTLEMENT MONITORING SYSTEM AND METHOD
#3Ziplot-Instant Graphical Elevation Measurement Documentation
#4Bending and kinking detection apparatus and method
#5Naphtyl based high index hydrophobic liquids and transmission recovery agents for liquid lens formulations
#6Naphtyl based high index hydrophobic liquids and transmission recovery agents for liquid lens formulations
#7Precision Hydrostatic Level and Flatness Measuring Devices, Systems and Methods
#8Device for measuring difference between drafts on two sides of ship
#9Precision Hydrostatic Level and Flatness Measuring Devices, Systems and Methods
#10Method and system for checking positioning accuracy of a CNC machine
#11Precision hydrostatic level and flatness measuring device, system and method
#12Long base inclinometer with optical measurement
#13Face equipment comprising hose levels placed on the shield support frames of said face equipment
#14Face equipment comprising hose levels placed between the face conveyor and the shield support frames
#15Precision hydrostatic level and flatness measuring device, system and method
#16Longwall equipment with a hydrostatic tube balance thereon for determining the height position of individual elements of the longwall equipment
#17DIFFERENTIAL LEVEL MONITORING DEVICE
#18Optical height zeroing device
#19Optical height zeroing device
#20Grade-leveling tool
#21Naphtyl based high index hydrophobic liquids and transmission recovery agents for liquid lens formulations