Pekin, Tenshin, Chintao, Sainan, Chīfū gaikoku shōsha sakuin
Publisher: Tōa Kenkyūjo] Daiichi Chōsa Iinkai Daini Bunkakai Hokushi Bukai
Published: 1940
Place of publication: [Japan?
Language: jpn
Number of pages: 31
Notes: LC copy has "hi" (confidential document) stamped.

List of firms in English.