Dai 7-kai ILO Kenchiku Doboku Kōkyō Jigyō Rōdō Iinkai hōkokusho
By: [henshūsha Rōdō Daijin Kanbō Kokusai Rōdōka]
Publisher: Rōdōshō Kokusai Rōdōka
Published: 1965
Place of publication: Tōkyō
Language: jpn
Number of pages: 141