CPC Subgroup
G01V 9/02 Determining existence or flow of underground water
Full Title
Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00 > Determining existence or flow of underground water
G01V 9/02 Prospecting or detecting by methods not provided for in groups G01V1/00 - G01V8/00 > Determining existence or flow of underground water