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DIFF Subgroup
E01C 1/04

Road crossings on different levels; Interconnections between roads on different levels

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Design or layout of roads, e.g. for noise abatement, for gas absorption > Road crossings on different levels; Interconnections between roads on different levels

CPC:

Design or layout of roads, e.g. for noise abatement, for gas absorption (design or layout of sports grounds A63C19/00; design or layout of airfields B64F ) > Road crossings on different levels; Interconnections between roads on different levels

No child classifications to compare. This is a leaf node in both IPC and CPC.