Item:Q9836: Difference between revisions
Created a new Item: block and tackle, device consisting of two pulleys (or in a borderline case only one movable pulley); device multiplying force; machine used to lift heavy loads |
Created claim: subclass of (P1): lifting equipment (Q3816) |
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Property / subclass of | |||
Property / subclass of: lifting equipment / rank | |||
Normal rank |