發(fā)電機(jī)機(jī)組的保養(yǎng)與維護(hù)-工控網(wǎng)新聞資訊-工控網(wǎng)(chinagkong.com)-工控行業(yè)門(mén)戶網(wǎng)站

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發(fā)電機(jī)機(jī)組的保養(yǎng)與維護(hù)

發(fā)布者：xu0801 發(fā)布時(shí)間：2018-07-16 07:07:49

目前，國(guó)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(lèi)。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。

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來(lái)源：鳳凰新聞網(wǎng)

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