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聚乙烯——聚乙烯醇网线 混捻型
Polyethylene-Polyvinyl alcohol netting twine Mixed twisted type
价格：￥0.00
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渔具材料抽样方法及合格批判定规则.合成纤维绳
Sampling methods and acceptance lot decision rules of fishing gear materials.Synthetic fiber ropes
价格：￥0.00
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渔具材料试验基本条件.标准大气
Testing basic terms for materials of fishing gear - Standard atmosphere
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渔具材料抽样方法及合格批判定规则.合成纤维丝、线
Sampling methods and acceptance lot decision rules of fishing gear materials.Synthetic fiber filaments and twine
价格：￥0.00
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聚乙烯网片 经编型
Polyethylene netting -- Raschel type
价格：￥0.00
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塑料浮子试验方法.硬质泡沫
Test methods of plastic float.Rigid foam
价格：￥0.00
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