| 摘要 |
PROBLEM TO BE SOLVED: To make the entire structure smaller so as to facilitate installation in a narrow place. SOLUTION: A target part 3-a of a box-like target body 1 is provided with a pouch like target body 2. The box-like target body comprises a net or fabric, and the target part on the front side may be slightly raised and lowered on the rear side. COPYRIGHT: (C)2004,JPO&NCIPI
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