Practice for determining safe distances from radio frequency transmitting antennas when using electric blasting caps during explosive operations 爆破操作中使用电起爆雷管时射频发射天线安全距离测定的实施规范
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Recommended practice for determining safe distances from radio frequency transmitting antennas when using electric blasting caps during explosive operations 爆破操作中使用电起爆引线时射频发射天线安全距离测定的推荐规范