26 ઠ༶Ҧஔ̒ϋ̊cୋ24ಂc90ϋ2˜
4.ཥɢԶᏐ
5.ࠐ༸ܔண
(ɧ)ಯˇኛࠪቤਗண݄
މəಯˇኛࠪʿቤਗd࠰ಥჀ᚛મ͜ओໄؐࠐ༸ഐd᙮ɓ၇ೌ༸❊ࠐ༸
ഐd1968ϋ͟ᅃ߅ඤή᚛ϣԴ͜dவ၇ഐ݊ਗ਼ତήᆏႡאཫᛟٙࠐ༸ؐໄ
̙ሜٙዖᇭᅁᔆɪdɨྡ݊ՉഐͪจྡdՉਿ͉ࡡଣ݊л͜ዖᇭᅁᔆՈіϗቤ
ਗসಯʿ೯౨ཞቤࣖᏐdԨίɪܔጘձਿᓾගౢɝɓո֛᎖ଟჃЭዧࣈ᎖ଟٙ
ᇞፓࣈኜd˸ԣቤਗෂɝਿᓾdϤ၇ഐಯቤࣖ؈Աኽᅃʘྼdڜ̵ࣖᏐ̙
৷༺30dBfԣ˟ኛࠪ˙ࠦdڷίԓቃʫༀɓ၇၈މUrethaneʘҿࣘdಯˇኛࠪପ
͛f