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US4855404A Process and equipment for processing thermoplastic polymers 失效
加工热塑性聚合物的工艺和设备

Process and equipment for processing thermoplastic polymers
摘要:
A method and equipment for processing a thermoplastic polymer wherein at least a portion of the surfaces which contact the thermoplastic polymer, while said thermoplastic polymer is in a heat plastified state, comprise boron carbide.
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