| 摘要 |
PROBLEM TO BE SOLVED: To provide a volume reduction device which can be produced at a low cost, and whose operability is also excellent. SOLUTION: An outer frame with a suitable shape is formed, a press board is rotatably provided at a suitable place in the outer frame with one end thereof as the center of the rotation, and a press board driving mechanism for rotating the press board is provided inside the outer frame. COPYRIGHT: (C)2006,JPO&NCIPI
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