2014年(381)
分类: 信息化
2014-06-10 18:24:41
Closed artifacts including at least part of the biological plastic coating coated with at least one stick of wire rod.Described in the coating layer is closed, the seal coating as described in the component in the process of storage or use under normal conditions when exposed to provide corrosion protection for mentioned wire, and once the components are exposed to suitable for decomposition of environment, biodegradable coating, biodegradable, or can retting. both environmental protection and practical.
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