US3497961A
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Retractable dual-measurement single-indicator gauge for variable-width internal grooves
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GB1096519A
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Precision bore gauges
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GB1019178A
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Combined bore diameter and concentricity gauge
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GB1038117A
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Internal-and external surface concentricity gauge
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GB1021558A
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Convertible bore concentricity gauge
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GB1048945A
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Bore concentricity gauge
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GB1019406A
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Concentricity and perpendicularity gauge
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GB1021211A
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Bore concentricity gauge
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GB1022554A
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Bore gauge
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GB602392A
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Improvements relating to caliper gauges
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CA643922A
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Precision concentricity gauge
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CA542325A
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Bore gauging instrument
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CA742861A
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Internal-and-external surface concentricity gauge
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CA398783A
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Bore gauge
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CA424600A
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Gauge
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CA680697A
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Shaft-and-mount concentricity gauge
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CA729352A
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Precision bore gauge
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CA769371A
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Multiple concentricity and perpendicularity gauge
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CA571856A
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Universal precision work holder for machine tools
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CA547432A
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Centering bore concentricity gauge holder
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