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-
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3921123
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Patent number 3,921,123
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Issue date Nov 18, 1975
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G01 - MEASURING TESTING
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3835447
-
Patent number 3,835,447
-
Issue date Sep 10, 1974
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G01 - MEASURING TESTING
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3428939
-
Patent number 3,428,939
-
Issue date Feb 18, 1969
-
G01 - MEASURING TESTING
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3290643
-
Patent number 3,290,643
-
Issue date Dec 6, 1966
-
G01 - MEASURING TESTING
-
3181154
-
Patent number 3,181,154
-
Issue date Apr 27, 1965
-
G01 - MEASURING TESTING
-
2788509
-
Patent number 2,788,509
-
Issue date Apr 9, 1957
-
G01 - MEASURING TESTING
-
2172395
-
Patent number 2,172,395
-
Issue date Sep 12, 1939
-
G01 - MEASURING TESTING