Pole positioning devices and methods

作者: Mark Philip Spilker

DOI:

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摘要: Methods and devices for positioning a group, array, series or arrangement of plumb poles in specific relationship relative to each other, whereby first pole is inserted horizontal clamshell attached moveable platform, retained raised vertical position plumbed. The platform positioned over the insertion location released. process repeated at as many holes needed. Other embodiments are used set heights, angles.

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