
Portable bore-hole logging equipment (down to 300 m) - General characteristics
出版:International Electrotechnical Committee

专家解读视频
Applicable to equipment used for prospecting radioactive ores or minerals responding to radioactive excitation, and for underground studies.
CEI 45-27 Ed. 1 (1997) - Identical
DIN IEC 60576 (1985-02) - Identical
HD 371:1978 - Identical
BS 5547:1978 - Equivalent
SS IEC 576 Ed. 1 (1983) - Identical