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File:Patent-US-2096044.pdf (1 159 × 1 704 (84 KB)) - 01:58, 12 dic 2021File:Patent-US-D106407.pdf (1 159 × 1 704 (32 KB)) - 15:02, 24 ago 2013File:Patent-CH-193646.pdf (1 295 × 1 752 (486 KB)) - 02:20, 11 dic 2021File:Patent-US-2096708.pdf (1 159 × 1 704 (322 KB)) - 01:57, 12 dic 2021File:Patent-US-2101304.pdf (1 159 × 1 704 (554 KB)) - 02:00, 12 dic 2021File:Patent-US-2186869.pdf (1 159 × 1 704 (383 KB)) - 01:57, 12 dic 2021File:Patent-FR-807275.pdf (1 295 × 1 752 (579 KB)) - 01:23, 12 dic 2021File:Patent-DE-652405.pdf (1 295 × 1 752 (167 KB)) - 02:29, 11 dic 2021File:Patent-DE-641120.pdf (1 295 × 1 752 (170 KB)) - 02:31, 11 dic 2021File:1937-09-Conklin-Nozac.jpg (3 216 × 4 075 (1,2 MB)) - 17:25, 17 dic 2021File:Patent-DE-652024.pdf (1 295 × 1 752 (390 KB)) - 02:31, 11 dic 2021File:Patent-US-2102044.pdf (1 159 × 1 704 (290 KB)) - 01:56, 12 dic 2021File:Patent-GB-469484.pdf (1 296 × 1 754 (334 KB)) - 01:27, 12 dic 2021File:Patent-US-2143601.pdf (1 159 × 1 704 (64 KB)) - 02:00, 12 dic 2021File:Patent-AT-149872.pdf (1 295 × 1 752 (158 KB)) - 02:16, 11 dic 2021File:Patent-GB-466012.pdf (1 296 × 1 754 (119 KB)) - 01:28, 12 dic 2021File:Patent-US-2092459.pdf (1 159 × 1 704 (132 KB)) - 02:01, 12 dic 2021File:Patent-FR-822646.pdf (1 296 × 1 754 (110 KB)) - 01:33, 12 dic 2021File:1937-10-Conklin-Nozac.jpg (1 862 × 4 096 (623 KB)) - 17:26, 17 dic 2021File:Patent-FR-822628.pdf (1 295 × 1 752 (238 KB)) - 01:44, 12 dic 2021
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