Image:US03971065 Bayer Front.png
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Front page of Bayer's 1976 U.S. Patent 3,971,065, on Bayer filter.
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- (del) (cur) 18:46, 3 June 2006 . . Dicklyon (Talk | contribs) . . 648×1013 (112,558 bytes) (Front page of Bayer's 1976 US patent #3,971,065, on Bayer filter. {{PD-US-patent}} )
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