Machine for and method of printing sheet material and forming articles therefrom having shaped surfaces |
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| 申请号 | US20121850 | 申请日 | 1950-12-16 | 公开(公告)号 | US2684104A | 公开(公告)日 | 1954-07-20 |
| 申请人 | DESSART BORS INC; | 发明人 | DESSART FRANKLYN M; CUMING JOHN G; BECKER RALPH W; WATKINS ROBERT B; | ||||
| 摘要 | |||||||
| 权利要求 | |||||||
| 说明书全文 | |||||||
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