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低氮鍋爐的改造和應(yīng)用正在逐步推進(jìn)
發(fā)布者：cqjdsk  發(fā)布時間：2018-07-25 06:04:30
目前，國內(nèi)的食品包裝袋一般可分為單膜袋和復(fù)合薄膜包裝袋兩大類。其主要執(zhí)行標(biāo)準(zhǔn)有：GB/T4456-1996《包裝用聚乙烯吹塑薄膜》、GB12025-1989《高密度聚乙烯吹塑薄膜》、QB/T2461-1999《包裝用降解聚乙烯薄膜》、GB9687-1988《食品包裝用聚乙烯成型品衛(wèi)生標(biāo)準(zhǔn)》、GB9688-1988《食品包裝用聚丙烯成型品衛(wèi)生標(biāo)準(zhǔn)》等。

http://www.gtjgw.com/exhibit/201807/25/12823.html

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http://www.gtjgw.com/exhibit/201807/25/12827.html

http://www.gtjgw.com/exhibit/201807/25/12828.html

http://www.gtjgw.com/exhibit/201807/25/12829.html

http://www.gtjgw.com/exhibit/201807/25/12830.html

http://www.gtjgw.com/exhibit/201807/25/12831.html

http://www.gtjgw.com/exhibit/201807/25/12832.html

http://www.gtjgw.com/exhibit/201807/25/12833.html

http://www.gtjgw.com/exhibit/201807/25/12834.html

http://www.gtjgw.com/exhibit/201807/25/12835.html

http://www.gtjgw.com/exhibit/201807/25/12836.html

http://www.gtjgw.com/exhibit/201807/25/12837.html

http://www.gtjgw.com/exhibit/201807/25/12838.html

http://www.gtjgw.com/exhibit/201807/25/12839.html

http://www.gtjgw.com/exhibit/201807/25/12840.html

http://www.gtjgw.com/exhibit/201807/25/12841.html

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http://www.gtjgw.com/exhibit/201807/25/12846.html

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http://www.gtjgw.com/exhibit/201807/25/12870.html

http://www.gtjgw.com/exhibit/201807/25/12871.html

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http://www.gtjgw.com/exhibit/201807/25/12873.html

http://www.gtjgw.com/exhibit/201807/25/12874.html

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http://www.gtjgw.com/exhibit/201807/25/12876.html

http://www.gtjgw.com/exhibit/201807/25/12877.html

http://www.gtjgw.com/exhibit/201807/25/12878.html

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http://www.gtjgw.com/exhibit/201807/25/12881.html

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