| 摘要 |
PCT No. PCT/JP97/00587 Sec. 371 Date Oct. 9, 1997 Sec. 102(e) Date Oct. 9, 1997 PCT Filed Feb. 27, 1997 PCT Pub. No. WO98/38695 PCT Pub. Date Sep. 3, 1998A lateral reflector plate comprising two rotatable half plates mutually opposed through a rotation supporting shaft introduced therebetween, and a longitudinal plate comprising two half plates mutually opposed through the rotation supporting shaft introduced therebetween are vertical to each other, and a foldable bottom reflector plate comprising four quarter plates is intersected orthogonally with the lateral and longitudial reflector plates, and also the rotation supporting shaft is provided with an inclination supporting hole with an inclination of the detection design angle.
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