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http://www.dt.co.kr/contents.html?article_no=2017082502101832005001
https://blog.naver.com/inpaininvain/222231766629
ã¾Æº¸´Ï PVDC (»ç¶õ·¦) -> LDPE (±¹»ê·¦) -> LLDPE (±¹»ê·¦) -> HDPE (±Û·¡µå·¦) ¼ø¼·Î ¾ÈÀüÇÑ ¼ÒÀç°°³×¿ä. ±Û·¡µå·¦ÀÌ Á¦ÀÏ ÁÁ±ä Çϳ׿ä.
2021-09-17
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2021-09-17
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2021-09-17
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