| 摘要 |
A top plate alignment template device for subterranean drilling or boring. The template device includes a frame receivable on a ground site. A plurality of tubular guide bores are provided on the frame, with each of the guide bores arranged at an angle extending downwardly and outwardly from the frame. In one embodiment, each of the guide bores has an axis so that the axes of the guide bores extend from a common center point above the frame.
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