Yakin

Saikou yakin kankei yougo genan

Hiheikou funmatsu yakin purosesu ni yoru Ti-Al kinzokukan kagoubutsu no sousei to soshiki seigyo ni kansuru kenkyuu

Nippon Yakin (File #230)

Osaka Yakin Kogyo K.K

Dou yakinhou

Nippon Denki Yakin (File #196)

Yakingaku

Yakingaku

Yakingaku taii

Shika yakingaku

Shika yakingaku

Jikken tetsu yakingaku

Nippon Denki Yakin K.K. - Daimon Plant (Non-reparation Plant)

Sorenpou no hitetsu yakingyou

冶賔

ネツトウ著冶金学書交付ノ照会

鍛冶町

鍛冶町

小鍛冶

Kokaji

[Kokaji]

Touyaron

鍛冶町

「小鍛冶」