| 摘要 |
PROBLEM TO BE SOLVED: To readily carry out interchanging floor face structures in a short time, and to dispense with storage space of wave absorbers in an anechoic chamber exterior. SOLUTION: A plurality of floor face structures 5 are arranged on a floor which fix a metal plate 7 on one surface of a support 6, and a wave absorber 8 for floor on its another surface, respectively. The respective floor face structures 5 are made reversible so as to selectively face either of the surface of the metal plate 7 and the wave absorber 8 for floor to a ceiling. The metal plates 7 of the adjacent floor face structures 5 are further made electrically connectable. COPYRIGHT: (C)2007,JPO&INPIT
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