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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B66
HOISTING; LIFTING; HAULING
Load children
B66B
ELEVATORS; ESCALATORS OR MOVING WALKWAYS
Load children
23/00
Component parts of escalators or moving walkways
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B66B23/02
Driving gear
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B66B23/028
with separate drive chain or belt that engages directly the carrying surface chain
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