E01F 8/00 Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
Introduced: January 1980
Title
Titles differ between systems:
IPC: Arrangements for absorbing or reflecting air transmitted noise from road or railway traffic
CPC: Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
Full Title
Full titles differ between systems:
Arrangements for absorbing or reflecting air transmitted noise from road or railway traffic
Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic (ground installations for reducing aircraft noise B64F1/26; general building constructions for absorbing or reflecting noise, noise absorption or reflection for buildings E04B1/74)
CPC subdivides this area 3x more granularly than IPC with 2 additional codes.
2 codes are CPC-only extensions.
1 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1995.
Child Classifications
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- E01F 8/02 specially adapted for sustaining vegetation or for accommodating plants (receptacles for cultivation of plants A01G9/02; securing slopes or inclines E02D17/20; retaining or protecting walls E02D29/02 ) since 1995 +2 CPC IPC+CPC Available in IPC and CPC