?????? ????????? ???????? ????? ?????????? Koyo, JTEKT ?????????????????????????????? ?????????? ??????????? ????????????????????????????? ???????? ?????????????????????????? ???? ?????????? Koyo, JTEKT, NTN, TIMKEN, NSK ???????????????????????????? ??????????????????????? ???????????????????????????????????????????????????? ???????????
ฟิล์มหด (Shrink Roll) กับฟิล์มยืด (Stretch Film) เเตกต่างกันอย่างไร
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เครื่องบรรจุภัณฑ์ มีความสำคัญอย่างไร
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