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精制浅色松香
Refined light-colored rosin
价格：￥0.00
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天然生胶? 技术分级橡胶全乳胶（SCR WF）生产技术规程
Raw natural rubber.Technical code for production of technically specified rubber from whole field latex (SCR WF)
价格：￥0.00
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浓缩天然胶乳初加工原料? 鲜胶乳
Material for primary processing of natural rubber latex concentrate.Fresh rubber latex
价格：￥0.00
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毛杨梅树皮
Box myrtle bark
价格：￥0.00
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余甘子类树皮
Emblic leafflowers bark
价格：￥0.00
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异长叶烯
Isolongifolene
价格：￥0.00
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