Rōsohō, Rōchōhō kaisei iken ni kansuru chōsa hōkoku
Series: Kokuchōritsu shiryō -- A-13-gō
Publisher: Kokuritsu Kokkai Toshokan Chōsa Rippō Kōsakyoku
Published: 1952
Place of publication: [Tokyo]
Language: jpn
Number of pages: 159
Subjects: Labor laws and legislation