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  • Lee Han-soo
  • 승인 2019.06.19 17:29
  • 댓글 1
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  • JonGrimes1 2019-06-22 05:54:23

    This is super interesting, but have you heard of a guy named Bill Masters? I recently read an article on OZY about how Masters developed the first 3D printing patent – then lost it. Anyone know anything about this? Here it is for reference: http://www.ozy.com/flashback/and-he-could-have-been-the-fat   삭제

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