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PCE
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Search for IPC and CPC classification codes or keywords
DIFF Subgroup
G09B 23/02

for mathematics (for statics or dynamics G09B23/08)

Introduced: September 1968

Title

Titles differ between systems:

IPC: for mathematics

CPC: for mathematics (for statics or dynamics G09B23/08)

Full Title

Full titles differ between systems:

IPC:

Models for scientific, medical, or mathematical purposes, e.g. full-sized device for demonstration purposes > for mathematics

CPC:

Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes (in the nature of toys A63H) > for mathematics (for statics or dynamics G09B23/08)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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  • G09B 23/04 for geometry, trigonometry, projection or perspective (for surveying G09B25/06) IPC+CPC Available in IPC and CPC