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JPS5853596A
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Light buoy
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JPS5663617A
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Low stand-by low-loss constant-voltage electric power supply
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JPS54151400A
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Method of and device for synchronously flashing marker group
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JPS5449057A
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Signal separator
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JPS5417699A
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Mark group synchronous indicator
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JPS5417700A
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Mark group synchronous indicator
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JPS52143798A
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System for synchronizing lamp
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JPS52143799A
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Universal flasher
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JPS52133550A
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Low stand by low loss constant voltage power supply
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JPS52131140A
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Automatic drive current controlling circuit
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JPS52131138A
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Lamp load protecting circuit
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JPS52106588A
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Method of installation for retractive mooring buoy
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JPS52103199A
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Method of displaying rudder change or astern of shiping by means of special light
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JPS51143465A
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Cooking equipment
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