About PROBST R
About Physikalisch-Technische Bundesanstalt, Braunschweig, DEU
About WITTEKOPF R
About Physikalisch-Technische Bundesanstalt, Braunschweig, DEU
About KRAUSE M
About Physikalisch-Technische Bundesanstalt, Braunschweig, DEU
About DANGSCHAT H
About Dr Johannes Heidenhain GmbH, Traunreut, DEU
About ERNST A
About Dr Johannes Heidenhain GmbH, Traunreut, DEU
About Measurement Science and Technology
About angle measurement
About Measuring methods and instruments of length,area,cross section,volume,angle
About PTB
About コンパレータ