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AU1452370A
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Improvements in or relating togas ignition and control systems
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DE1964065A1
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Facility responsive to temperature changes
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DE1931485A1
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Valve
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Improvements in switches
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Improvements in or relating to Means for Defrosting Refrigerators.
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Improvements in or relating to thermostatically controlled gas valves
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Thermostatically-Operated Gas Valves
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Control for gas burners
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Improvements in or relating to means for actuating valves and similar mechanical control devices
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Improvements in or relating to gas-fired appliances of the "room sealed" type
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Improvements in or relating to ignition devices
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Improvements in or relating to Thermoelectric Safety Valves
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Improvements in or relating to Means for Defrosting Refrigerators
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Improvements in or relating to bellows assemblies
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Improvements in temperature-responsive elements
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Improvements in thermostatically-controlled valves
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Thermostatically controlled gas valve
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Improvements in Thermocouples
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Improvements in thermostatically-operated means for controlling temperature in refrigerators
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Improvements in electrical detecting and indicating apparatus
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