Invention Grant
US07708163B2 Constant force material delivery system and method 有权
恒力输送系统及方法

Constant force material delivery system and method
Abstract:
Systems, devices, and methods are provided for dispensing material from a container. Devices can include driving arrangement for providing one or more forces, and actuator for activating the driving arrangement whereby the driving arrangement causes material to be dispensed from the container.
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