DIFF Subgroup
B28D 5/04 by tools other than rotary type, e.g. reciprocating tools
Introduced: September 1968
Title
Titles differ between systems:
IPC: by tools other than of rotary type, e.g. reciprocating tools
CPC: by tools other than rotary type, e.g. reciprocating tools
Full Title
Full titles differ between systems:
IPC:
Fine working of gems, jewels, crystals, e.g. of semiconductor material; Apparatus therefor > by tools other than of rotary type, e.g. reciprocating tools
CPC:
Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor (working by grinding or polishing B24; for artistic purposes B44B) > by tools other than rotary type, e.g. reciprocating tools
Of 3 combined children, 0 exist in both systems.
3 codes are CPC-only extensions.
Child Classifications
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