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Portable multi-functional fire-fighting ladder has three sections
Portable multi-functional fire-fighting ladder has three sections
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机译:便携式多功能消防梯分三节
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摘要
A portable multi-functional fire-fighting ladder consists essentially of two identical lengths (1) joined by a pivot/lock hinge (2). The ladder further has a slightly narrower third section (17) with support clips (18). The three sections can be arranged either in-line, or as an A-frame with top-extension.
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