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A New or Improved Method of Splitting or Dividing Diamonds and Apparatus therefor.
A New or Improved Method of Splitting or Dividing Diamonds and Apparatus therefor.
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机译:一种新的或改进的分割或分割钻石及其设备的方法。
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摘要
13,642. Wollheim, E. June 18. Blowpipes.-The flat nozzle of a blowpipe used for conveying oxygen in apparatus for dividing diamonds by combustion, consists of thin leaves of mica or other suitable material d held by two cheeks e of refractory material, preferably steatite.
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机译:13,642。 E. Wollheim,美国,6月18日。吹管-用于通过燃烧将钻石分开的装置中用于输送氧气的吹管的扁平喷嘴,由云母或其他合适材料制成的薄叶片,由两片耐火材料(最好是滑石)制成。
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