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JPS6090594A
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Production of bobbin for sewing machine
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JPS59230595A
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Production of bobbin of sewing machine
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JPS59151077A
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Ultrasonic range finder
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JPS59151075A
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Random signal generating circuit
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JPS59105799A
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Bimorph type sound wave transceiver
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JPS59105588A
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Ultrasonic detecting apparatus
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JPS5824967A
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Average circuit
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JPS5824815A
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Device for measuring flow speed and flow rate by ultrasonic wave
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JPS57110970A
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Discrimination of target by ultrasonic wave
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JPS57110911A
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Measurement of length of object by supersonic wave
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JPS5772580A
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Manufacture of bobbin for sewing machine
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