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GB9706470D0
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High frequency flourescent lamp circuit and method for starting the same
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GB9522820D0
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Improvements in high-frequency ballasts for discharge lamps
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Improvements in or relating to stabilised D C power supplies
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High frequency fluorescent lamp circuit with ballast protection
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Improvements in DC power supplies
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Improvements in or relating to inverter circuits
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Improvements in electronic control systems
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Improvements in high-frequency electronic ballast units for fluorescent lamps
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Improvements in or relating to inverter circuits
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Improvements in fluoresecent lamp starter circuits
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Improvements in d c power supplies
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Improvements in d.c.power supplies
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Improvements in inverter bailey
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Improvements in fluorescent lamp ballast circuits
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US672692A
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Aerating-cap for jars, &c.
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CA30570A
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Clam extract and process of making the same
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