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6-267214 | Oct 1994 | JPX |
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3892490 | Uetsuki et al. | Jul 1975 | |
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Entry |
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Patent Abstracts of Japan: Grp p775, vol. 12, No. 399, Abs.pub date, Oct. 24, 1988 (63-139202) "Method and Apparatus for Velectromagnetic Induction Type Thickness". |
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