COMBINATION OF A MULTIFUNCTIONAL SEAL DEVICE AND A VALVE FOR A DRINKING RECEPTACLE
A multifunctional sealing device for a valve structured for opening of a discharge conduit by virtue of upstream-directed movement of a sealing body relative to the discharge direction. The distinctive characteristic of the invention is that the sealing body is of a radially flexible arrangement; wh...
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Format: | Patent |
Sprache: | eng ; pol |
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