FIELD: electrical engineering; drums for cables, wires, and the like. SUBSTANCE: drum has webs, neck in-between, and fastenings; novelty is that webs made of plywood sheets are provided with annular slots and necks are assembled of pasted joist annular sectors following slot shape and ends of annular sectors are installed in annular slots of webs. EFFECT: simplified design, facilitated manufacture, reduced material input. 3 dwg
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| 0 |
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