Yunkerusushiki ryuusuigata gasu netsuryoukei 1922nenshiki shiyouhou

Gasu mētoru oyobi suiryou mētoru

Kougyouyou gasu

Jouki gasu kikan sekkeiyou jikken koushiki

Jitsuyou gasu benran

Kairyougata takibi keisanjaku shiyouhou

Endou gasu bunsekihou narabini hatsunetsuryou sokutei houhou

Henmishiki keisanjaku shiyouhou tekisuto

Keisanjaku shiyouhou

Keisanjaku shiyouhou

Henmishiki keisanjaku shiyouhou kaisetsu

Henmishiki keisanjaku shiyouhou kaisetsu

Henmi shiki keisanjaku shiyouhou kaisetsu

Henmishiki koukuuyou keisanjaku shiyouhou kaisetsu

Goki shiyouhou : shudankei ondokei shuryouki shukenki okutomēru

瓦斯計量の曖昧

Shinshiki kenbikyou shiyouhou kyoukasho

瓦斯法と熱量検査機関

Sanjuunenshiki hoheijuu shiyouhou souan

Shinshiki tanka oyobi kanjasha shiyouhou

Housuikei tenmaku seishiki oyobi shiyouhou

Toukyou gasu kabushiki gaisha jigyou enkaku no gaiyou

Oosakashi tai oosaka gasu kabushiki gaisha jiken houritsuron

Māchingata sakkouki shiyouhou : kaikon jigyou sankou shiryou

欧米に於ける瓦斯利用熱