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GB2100438A
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A device for the control and/or indication of fluid pressure
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FR2483615A1
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Fluid or gas pressure indication and control - uses piston with two different sized areas acting on regulator valve or indicator
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US4401011A
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Method to adjust and/or indicate a liquid or gaseous pressure, and a device for utilization of the method
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CA1146189A
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Jointing means primarily for pipes
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JPS56124762A
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Device for performing sealed joining
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US4270559A
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Method for installing an adjustable flow restricting valve member in a tubular pipe, and a valve device for utilization of the method
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SE7900905L
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Method for regulating and/or indicating of liquid or gas pressure and arrangement for carrying out the method
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