IPC Definitions - January 01, 2012
G01F 23/00 - Definition
References relevant to classification in this main group
This main group does not cover:
In wells | E21B 47/04 |
Adaptation to, or mounting on, steam boilers | F22B 37/78 |
Attention is drawn to the following places, which may be of interest for search:
Alarm devices | G08B |