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现货供应 POLYVIN PVC 9031D PVC |
台湾台化 HIPS HP9450 |
德国拜耳 PC/ABS FR3000 703003 |
Eltex PF 6612KJ 物性表 |
Polycarbonate (PC) PC FR(w) TFE UL黄卡 |
Bicor AES 17MB400 物性表 |
UmaPET CL 物性表 |
PP-韩国湖南-JI-320 |
LDPE-中油华南-2426F |