x선, 감마(gamma)선, 미립자선 또는 입자충격에 대한 보호; 방사능 오염물질의 처리; 오염제거장치 (약물수단에 의한 방사선보호 a61k 8/00, a61q 17/04; 우주선내의 것 b64g 1/54; 원자로와 결합한 것 g21c 11/00; x선관과 결합된 것 h01j 35/16; x선 장치와 결합된 것 h05g 1/02) protection against x-radiation, gamma radiation, corpuscular radiation or particle bombardment; treating radioactively contaminated material; decontamination arrangements therefor (radiation protection by pharmaceutical means a61k8/00, a61q17/04; in cosmonautic vehicles b64g1/54; combined with a reactor g21c11/00; combined with x-ray tubes h01j35/16; combined with x-ray apparatus h05g1/02) 