A Bending Rack Comprising Two Rounded Blocks Bolted on a Post is illustrated in Fig. 19. A rack of this design is. often useful for conduits of the relativ...
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https://www.riss.kr/link?id=O133597204
1918년
eng
학술저널
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다운로드다국어 초록 (Multilingual Abstract)
A Bending Rack Comprising Two Rounded Blocks Bolted on a Post is illustrated in Fig. 19. A rack of this design is. often useful for conduits of the relativ...
A Bending Rack Comprising Two Rounded Blocks Bolted on a Post is illustrated in Fig. 19. A rack of this design is. often useful for conduits of the relatively large diameters. The blocks B1 and B2 are either spiked (or, preferably, held with lag screws or bolts) to a wooden column or post. They should, if possible, be of hard wood, such as maple. The blocks may extend from 2 to 3 inches beyond the face of the...
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PRICE-CUTTING PERMITTED ON PATENTED ARTICLES