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A non return valve and a proceeding to form a non return valve system to be fasten together inside a receptacle intended to contain air or liquid
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Method of fasten threads at buttons and means for making the same
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SE8902700D0
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Support collar for relieving neck strain - has longitudinally displaceable components for regulating relief forces
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WO8908417A1
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An arrangement for stepless vertical adjustment of a chair seat
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EP0188417A1
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Arrangement for a combined tank cover and emptying tube
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Device for indicating the current score when participating in sport
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A device for indicating the current score when participating in sport
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DE2531174A1
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Curved headlamp wiper support - with guide over lens to press reciprocal blade on glass
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CA1037805A
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Apparatus for mechanical stimulation of the heart
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DE2328694A1
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WIPER ARM FOR HEADLIGHT GLASS
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