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CH147188A
(en)
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Device for regulating the pressure in gas cylinders of gas pressure boosters.
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FR27924E
(en)
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Advanced valve for pipelines
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FI9791A
(en)
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Gas pressure shut-off system for liquid lines
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FR561044A
(en)
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Pipe valve
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CH111208A
(en)
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Device to increase the operational safety of fittings in high pressure steam systems.
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AT99317B
(en)
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High pressure pipeline.
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FR579223A
(en)
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Elastic gasket for piping
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FR564258A
(en)
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Gas booster
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DK40094C
(en)
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Pressure Reducer for Use in Liquid Gases.
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FR578182A
(en)
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Portable pressure gauge
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DK32026C
(en)
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Pressure plate for Duplicators.
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DK32695C
(en)
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Pressure gauges for air rings.
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ES87578A2
(en)
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Valve for pipes.
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ES84345A1
(en)
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Valve for pipes.
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CA214969A
(en)
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Means for measuring fluid pressure
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CA229244A
(en)
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Fluid pressure device
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DK40515C
(en)
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Gas pressure regulator.
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AT109122B
(en)
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Liquid level indicator for high pressure vessels and similar high pressure vessels.
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GR1267B
(en)
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PIPELINE FOR PIPELINE SUBJECT TO STRONG INTERNAL PRESSURES.
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FR551980A
(en)
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Pressure reducer
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CA230184A
(en)
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Support for pressure retaining valves
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AU1313023A
(en)
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An improved pipe valve for fluids
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ES77425A1
(en)
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Apparatus for sealing.
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CA228293A
(en)
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Gas cock
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CA201230A
(en)
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Fluid pressure system
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