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GB495528A
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Improvements in geysers
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GB509315A
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Improvements in or relating to packing substitutes of the flexible sleeve type for the valves of hot water geysers
|
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GB472289A
|
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Improvements in geysers and similar water heaters
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GB385064A
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Improvements in automatic valves for water heaters or geysers
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GB392973A
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Improvements in or connected with means for controlling the supply of gas to gas burners
|
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GB377835A
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Improvements in water-heaters or geysers
|
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GB371624A
|
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Improvements in water heaters or geysers
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GB351871A
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Improvements in or connected with automatic gas valves for geysers
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GB298394A
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Improvements in geysers
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GB238678A
|
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Improvements in geysers
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GB223483A
|
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An improved water joint applicable to geysers and the like
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GB187674A
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Improvements in the construction of geysers and like water heaters
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