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He paninga ārai-waikura whero rino polyurethane
Te hanganga Ko te paninga waikura rino whero polyurethane (paninga waikura rino whero polyurethane) he mea hanga mai i ngā kapia kei roto he hydroxyl, he waikura rino whero, he whakakī tae ārai-waikura, he tāpiringa, he whakarewa, me ētahi atu, me te...Pānuihia atu
