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Post of steel plate for cable frame in viticulture and fruit culture
Post of steel plate for cable frame in viticulture and fruit culture
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机译：葡萄栽培和水果栽培的电缆架用钢板桩
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摘要
The stake (1) has a U-shaped cross-section with hooks (3) formed outside on the arms (6) by punching out a hole (17) and bending round the tongues (8) from the steel plate. The tongues have a widened part towards the open hook tip (18) which is opposite a tapered section (22) of the punched hole. The hook can then only be bent so far closed that its tongue is not pressed into the hole and plastic deformation remains slight.
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