| 摘要 |
PROBLEM TO BE SOLVED: To provide shielding technology for restraining influence of a change in environment temperature upon a machine tool. SOLUTION: The machine tool body 1 is surrounded by a porous thermal shield body 2, whereby the air is controlled to go in and out of the outside so that the machine tool is hardly influenced by a change in environment temperature. COPYRIGHT: (C)2005,JPO&NCIPI
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