東北工業技術試験所報告トウホクコウギョウギジュツシケンジョホウコクTōhoku Kōgyō Gijutsu ShikenjoTōhoku Kōgyō Gijutsu Shikenjo (Japan).JapaneseJournal1972[Sendai] Tōhoku Kōgyō Gijutsu Shikenjo.Research, Industrial—JapanJournal