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1932³â, 80³âÀÌ ³Ñ´Â ¿ª»ç¸¦ ÀÚ¶ûÇÏ´Â ¹Ì±¹ Webster»çÀÇ Á¤Ç°ÀÔ´Ï´Ù.
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ÈÞ´ëÇϱâ Æí¸®ÇÏ¿© ÇöÀå¿ëÀ¸·Î ¸¹ÀÌ »ç¿ëµÇ¸ç Á¤È®ÇÑ ÃøÁ¤°ªÀ» ±¸ÇÒ¼ö ÀÖ´Â °æµµ°è·Î¼ ÁÖ·Î ¾Ë·ç¹Ì´½°ú °°Àº
ºñö±Ý¼ÓÀ» Àç·á·ÎÇÏ¿© Á¦Ç°À» »ý»êÇÏ´Â ¾÷ü¿¡¼ Barcol°æµµ°è¿Í °°ÀÌ »ç¿ëÇÕ´Ï´Ù.
¢À The Model B Tester is designed to cover the hardness of aluminum alloys from the 100 to the 7075 series.
¢À The 20 graduations on the Webster dial indicator covers the range between 25 and 110 on the Rockwell E Scale.
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