DIFF Main Group
E21C 39/00 Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
Introduced: September 1968
Title
Titles differ between systems:
IPC: Devices for testing the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
CPC: Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
Full Title
Full titles differ between systems:
IPC:
Devices for testing the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
CPC:
Devices for testing in situ the hardness or other properties of minerals, e.g. for giving information as to the selection of suitable mining tools
No child classifications to compare. This is a leaf node in both IPC and CPC.