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| Number | Title | Issue Date |
| 5326200 | Press and suction apparatus of a numberical control router Press members are fixed to operating shafts of cylinders and guides attached to supporting portions are fixed to a supporting frame and suction ducts are fixed to cylinders provided with the supporting frame. The press members are driven to suck a sacrifi... | 07/05/1994 |
| 5100270 | Apparatus and method for cutting mat board The present invention relates to a method and apparatus for cutting mat board, and more specifically for cutting apertures including non-linear boundaries in mat board. The preferred embodiment of the apparatus of the present invention includes an automat... | 03/31/1992 |
