| B61B | RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)[4] | |||||||||||||||
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Note(s)
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Subclass indexes
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Descriptions for B61B and notes/indexes are displayed on this screen.
Descriptions for B61B and notes/indexes are displayed on this screen.
| B61B | RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR (lifts or hoists, elevators, escalators, moving walkways B66B)[4] | |||||||||||||||
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Note(s)
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Subclass indexes
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