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FR1442130A
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Twin
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FR86554E
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Device for reading in two stages the graduations of lengths and angles
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FR1396040A
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Device indicating the value of the movements of a carriage
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FR1380164A
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Device for moving a trolley step by step
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FR1379351A
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Device for reading in two stages the graduations of lengths and angles
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FR1376417A
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Device for measuring lengths or angles
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FR1365096A
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Process for the manufacture of a graduated glass ruler
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FR1364370A
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Clinometer
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FR84168E
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Apparatus for indicating the amount of displacement of the carriage of a machine
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FR1341222A
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Panoramic telescope
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FR1340093A
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Photoelectric equipment for indicating the value of the displacement of a movable member
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FR1339147A
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Protective device for graduated rulers on machine tools
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GB954343A
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Protective device for measuring scales on machine tools
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