http://youtu.be/QDoqNC6qL-Y
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자작 선반 & 밀링
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귀여운 미니 밀링
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Watchmaker tool - Bow mill
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Schaublin SV11 milling machine
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schaublin screw cutting attachment
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Mikron F75
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Lorch 6mm lathe
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laser center finder
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123 block 사용법