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Aluminum hinge unit for telescoping ladders is produced by assembling a thick aluminum disk with two thinner aluminum plates and a catch mechanism
Aluminum hinge unit for telescoping ladders is produced by assembling a thick aluminum disk with two thinner aluminum plates and a catch mechanism
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机译:伸缩梯的铝铰链单元是通过将厚铝盘与两个较薄的铝板和一个锁扣机构组装在一起而制成的
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摘要
The aluminum hinge unit (1) for telescoping ladders is produced by assembling a thick aluminum disk (2) with two thinner aluminum plates (3) and a catch mechanism (4), and by riveting the resultant assembly into the side rails (5) of a telescoping ladder.
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