||Wednesday, July 10, 2013
(1) Armillary spheres, planetaria, astronomic orbits, atomic models, molecular models
(2) Atomic models, molecular models, representations of human, animal or vegetal cells
(3) Springs -- Notes: (a) Includes all springs, of whatever kind or for whatever purpose. -- (b) Does not include door closers (15.1.25).
(4) Arrows combined with any other figurative element (except a 24.15.13 and a 24.15.15)
(5) Two arrows
(7) One quadrilateral
(8) Quadrilateral figures with one or more convex or concave sides -- Note: Not including elongated surfaces with one or more convex or concave sides (25.3.1).
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