ISO 361:1975现行
Basic ionizing radiation symbol
出版：International Organization for Standardization
专家解读视频
KS A ISO 361:2009 - Identical
JIS Z 4004:1989 - Equivalent
DIN 25400 (1991-02) - Identical
UNI 7545-6:1978 - Equivalent
NFM 60 101:1972 - Equivalent
BS 3510:1968 - Identical
JIS T 1006:1992 - Identical
NS 1029 Ed. 3 (1984) - Identical
