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US06803013B2 Process of making a meltblown web 失效
制造熔喷网的过程

Process of making a meltblown web
摘要:
The present invention relates to an apparatus and method for forming meltblown material with a die assembly. The die may further include a die tip and a heating element positioned relative to the die tip apex to maintain the polymer material extruded from the die tip in a molten state.
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