| http://www.w3.org/ns/prov#value | - In that case it is advantageous if the hose quick-action coupling has a drip protection, which closes the connection to the container in, for example,spring-loaded manner or by a ball or other such, so that even without actuation of the shut-off device no product can continue to flow out of the container after removal of the hose and/or the duct.The proposed device enables a simple and ergonomical
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