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Indicating instruments
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Patent number 3,978,730
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Issue date Sep 7, 1976
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Smiths Industries Limited
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Edward W. Anderson
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G01 - MEASURING TESTING
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3202128
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Patent number 3,202,128
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Issue date Aug 24, 1965
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G01 - MEASURING TESTING
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3126863
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Patent number 3,126,863
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Issue date Mar 31, 1964
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G01 - MEASURING TESTING
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3084660
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Patent number 3,084,660
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Issue date Apr 9, 1963
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G01 - MEASURING TESTING
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2959087
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Patent number 2,959,087
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Issue date Nov 8, 1960
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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2794413
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Patent number 2,794,413
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Issue date Jun 4, 1957
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G01 - MEASURING TESTING
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2262008
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Patent number 2,262,008
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Issue date Nov 11, 1941
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G01 - MEASURING TESTING
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2262007
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Patent number 2,262,007
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Issue date Nov 11, 1941
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G01 - MEASURING TESTING
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2255188
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Patent number 2,255,188
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Issue date Sep 9, 1941
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G01 - MEASURING TESTING
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1809525
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Patent number 1,809,525
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Issue date Jun 9, 1931
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G01 - MEASURING TESTING