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天然生胶子午线轮胎橡胶
Rubber, raw, natural.Radials tire rubber
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枫香采脂技术规程
Technical regulations of oleoresin tapping for Chinese sweetgum
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松香季戊四醇酯
Rosin pentaerythrityl ester
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进口天然橡胶检验规程.第2部分:标准橡胶
Rules for inspection of import natural rubber.Part 2: Standard rubber
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紫胶虫种胶、紫胶原胶丰产技术规程
Cultivation techniques on high-yielding for broodlac and sticklac
价格：￥0.00
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萜烯树脂
Terpene resin
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落叶松栲胶
Larch extract
价格：￥0.00
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毛杨梅栲胶
Box myrtle extract
价格：￥0.00
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