| More topics under "B66 - Hoisting; Lifting; Hauling" (195,997) |
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| B66B - Elevators; Escalators or moving walkways (71,236) |
| B66C - Cranes; Load-engaging elements or devices for cranes, capstans, winches, or tackles (62,376) |
| B66D - Capstans; Winches; Tackles, e.g. pulley blocks; Hoists (19,280) |
| B66F - Hoisting, lifting, hauling, or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load (43,105) |