Index of /images/thumb/7/73/US200830_Patent_(1).jpg

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[IMG]400px-US200830_Patent_(1).jpg2014-04-08 11:34 33K 
[IMG]160px-US200830_Patent_(1).jpg2014-04-08 11:34 7.1K 
[IMG]120px-US200830_Patent_(1).jpg2022-02-18 10:59 4.2K 
[IMG]80px-US200830_Patent_(1).jpg2014-04-08 11:34 2.3K