Safety Line Anchoring System
作者： Arthur V. Cruz
DOI:
关键词:
摘要: A safety line anchor system is provided and includes an elongate member including a threaded stud at one end for threading the on to opening in trench plate, flange fixed of above base, having two or more openings there through accepting stabilization bolts, freely rotable platform attached opposite end, slots cut attachments, crane handle platform, hook.
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