NEO化学吧

离子感烟火灾探测器用镅241α放射源的技术条件 GB 12951-1996 F51 GB 12951-91

甲酸钾乙酸钇 2008-10-22 18:47

http://www.namipan.com/d/1299%20%e7%a6%bb%e5%ad%90%e6%84%9f%e7%83%9f%e7%81%ab%e7%81%be%e6%8e%a2%e6%b5%8b%e5%99%a8%e7%94%a8%e9%95%85241%ce%b1%e6%94%be%e5%b0%84%e6%ba%90%e7%9a%84%e6%8a%80%e6%9c%af%e6%9d%a1%e4%bb%b6%20GB%2012951-1996%20F51%20%20%20%20%20GB%2012951-91%20%e5%9b%bd%e5%ae%b6%e6%8a%80%e6%9c%af%e7%9b%91%e7%9d%a3%e5%b1%80%201996-12-19%201997-12-01%20pdf.pdf/18a04838f248f0667dcfb5276ff6863b98b077b82f370300

甲酸钾乙酸钇 2008-10-22 19:14

纳米盘的