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3861199
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Patent number 3,861,199
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Issue date Jan 21, 1975
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G01 - MEASURING TESTING
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Patent number 3,832,562
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Issue date Aug 27, 1974
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G01 - MEASURING TESTING
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3796876
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Patent number 3,796,876
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Issue date Mar 12, 1974
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G01 - MEASURING TESTING
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3767925
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Patent number 3,767,925
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Issue date Oct 23, 1973
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G01 - MEASURING TESTING
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3600576
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Patent number 3,600,576
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Issue date Aug 17, 1971
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G01 - MEASURING TESTING
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3588509
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Patent number 3,588,509
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Issue date Jun 28, 1971
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G01 - MEASURING TESTING
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3581091
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Patent number 3,581,091
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Issue date May 25, 1971
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G01 - MEASURING TESTING
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3519822
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Patent number 3,519,822
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G01 - MEASURING TESTING
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Patent number 3,517,193
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G01 - MEASURING TESTING
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3465148
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Patent number 3,465,148
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING
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G01 - MEASURING TESTING