About KUROE AKIO
About 松下電器産業 開研
About MUKAE HIDEAKI
About MIKODA MASANARI
About テレビジョン学会誌
About magnetic tape
About calender
About Measuring methods and instruments of length,area,cross section,volume,angle
About Electronic recording,magnetic recording,optical recording
About 磁気テープ
About 真実接触面積