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| All Patents in class 427/204 | |||||
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| Number | Title | Classification(s) | |||
| 5,535 | Improvement in sand-paper | 144/114.1, 144/225, 144/242.1, 427/204, 51/301 | |||
| 334,472 | Process of Ornamenting Glass Surfaces | 101/493, 427/199, 427/204 | |||