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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
B28D 1/14

by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )

Introduced: September 1968

Title

Titles differ between systems:

IPC: by boring or drilling

CPC: by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )

Full Title

Full titles differ between systems:

IPC:

Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor > by boring or drilling

CPC:

Working stone or stone-like materials, e.g. brick, concrete , not provided for elsewhere; Machines, devices, tools therefor (fine working of gems, jewels, crystals B28D5/00; working by grinding or polishing B24; devices or means for dressing or conditioning abrasive surfaces B24B53/00) > by boring or drilling (rotary drilling machines B23B; ; portabe percussive machines B25D; )

Of 2 combined children, 0 exist in both systems.

2 codes are CPC-only extensions.

Child Classifications

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