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US09073080B2 Discharge device for a liquid 有权
液体放电装置

Discharge device for a liquid
摘要:
A discharge device for liquids, which includes a pump chamber that is limited by two valves, which in each case include a valve body section and a valve seat. Channels are arranged concentrically and a fixing region of a valve body of one or of both valves is attached to an intermediate wall between the channels.
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