TREA

constructions for generation of phase shifting

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  • CPC
  • E01F8/0094
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Parent Industries

EFIXED CONSTRUCTIONS E01Road, railway construction E01FADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE E01F8/00Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic

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E01F8/0094constructions for generation of phase shifting
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