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US4882117A Injection molding process for molten plastic 失效
熔融塑料注塑工艺

Injection molding process for molten plastic
摘要:
An injection molding process in which an injection of a molten resin into a cavity is performed under such a condition that an internal resin pressure upon filling of the cavity with the molten resin is lower than a maximum internal resin pressure required upon pressure holding after the filling.
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