About KOGA MICHIO
About 九州産業大 工
About MATSUMOTO MASARU
About 九州産業大 工
About MIYAHARA AKIRA
About 日本煙火協
About YOSHINAGA SHUN'ICHI
About 九州産業大 工
About blasting supplies
About smoke fire
About Various explosives and propellants
About 酸化銅
About 酸化ニッケル
About 混合物
About 熱挙動
About 発音
About 研究