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DK645C
(en)
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Automatic Purchasing Mechanism for Gas Meters.
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DK437C
(en)
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Prepayment gas meters.
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DK642C
(en)
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Prepayment gas meters.
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DK738C
(en)
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Distance meter.
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DK603C
(en)
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Bicycle for Checking the Track Range.
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GB189615203A
(en)
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Improvements in Coin-prepayment Mechanism for Gas Meters.
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DK826C
(en)
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Bottom mechanism for fast-firing guns.
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DK837C
(en)
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Bottom mechanism for a fast-firing cannon.
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CH13274A
(en)
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Advanced mechanism for sounding chimes, etc.
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GB189410022A
(en)
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Improvements connected with Meters for Liquids.
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DK1628C
(en)
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Slide rail for bicycles.
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DK225C
(en)
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Prepaid Gas Meter, called Décime.
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ES16708A1
(en)
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A new shuttle-guide.
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DK1955C
(en)
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Prepayment gas meters.
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DK410C
(en)
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Pipe well.
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ES19882A1
(en)
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A hydro-lift apparatus.
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CH12101A
(en)
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Gas automat
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ES24424A1
(en)
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An automatic acetylene gas meter.
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DK712C
(en)
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Gas regulator.
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ES16245A1
(en)
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A closing system for glass, porcelain, etc.
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DK377C
(en)
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Electricity meter.
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ES19146A1
(en)
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An apparatus for making gas.
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ES18675A1
(en)
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A pyrogenation apparatus.
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GB189608613A
(en)
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An Improved Automatic Prepayment Apparatus for Gas Meters.
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DK348C
(en)
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Signal cartridge.
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