DIFF Subgroup
B01D 39/08 Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D39/10)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Filter cloth, i.e. woven, knitted or interlaced material
CPC: Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D39/10)
Full Title
Full titles differ between systems:
IPC:
Filtering material for liquid or gaseous fluids > Filter cloth, i.e. woven, knitted or interlaced material
CPC:
Filtering material for liquid or gaseous fluids > Filter cloth, i.e. woven, knitted or interlaced material (metallic B01D39/10)
Of 2 combined children, 0 exist in both systems.
2 codes are CPC-only extensions.
Child Classifications
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