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Optical sensor
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Patent number 4,955,238
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Issue date Sep 11, 1990
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STC PLC
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Roger E. Jones
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G01 - MEASURING TESTING
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-
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Photo-elastic sensor
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Patent number 4,668,085
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Issue date May 26, 1987
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Standard Telephones and Cables plc
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Gilles D. Pitt
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G02 - OPTICS
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Fiber optic sensor
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Patent number 4,647,203
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Issue date Mar 3, 1987
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International Standard Electric Corporation
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Roger E. Jones
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G01 - MEASURING TESTING
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Optical actuator
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Patent number 4,637,071
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Issue date Jan 13, 1987
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International Standard Electric Corporation
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Gillies D. Pitt
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...