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GB675148A
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Improvements in connections between acetylene gas bottle valves and gas supply conduits
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DE834419C
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Filling of dissous gas cylinders and process for their production
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DE809424C
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Safety device for systems that work with acetylene under conditions in which a progressive decomposition of the acetylene is possible
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DE865146C
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Connection of the dissous gas bottles to be filled to a filling ramp
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DE807279C
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Dissous gas bottle filling system
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DE827534C
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Porous filling compound for Dissous gas bottles and processes for their production
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DE680826C
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Pressure reducing valve with valve cone located in the high pressure chamber
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DE657553C
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Cutting torch with preheating flame
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CA484716A
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Connection for acetylene gas bottles to be filled on a filling ramp
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