US PATENT SUBCLASS 14 / 25
.~ Compound

Current as of: June, 1999
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14 /   HD   BRIDGES

24  DF  ARCH {2}
25.~ Compound

DEFINITION

Classification: 14/25

(under subclass 24) Bridges in which the arch is not a simple structure, but is composed of a lattice girder, a bowstring-truss, or some other compound structure.