- Publication Title:
- List of respiratory protective devices approved by Bureau of Mines; by S. J. Pearce and L. B. Berger.
- Display Title:
- Information circular (series). 7570. List of respiratory protective devices approved by Bureau of Mines; by S. J. Pearce and L. B. Berger.
- Series Title:
- Information circular (series).
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Pearce, S. J. and Berger, L. B.
- Date:
- June 1950
- Publish Date ISO Format:
- 1950-06-01T00:00:00Z
- Publication Start:
- 19500601
- Publication End:
- 19500630
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 7
- Publication year:
- 1950
- SuDoc number:
- I 28.27:(nos.)
- Description:
- [1]+ii+16 p. 14 pl. 4°
- Notes:
- [Processed.] Mines Bureau, Pittsburgh, Pa.
- Notes:
- [Processed.] Mines Bureau, Pittsburgh, Pa.
- Monthly Catalog date:
- July 1950
- Monthly Catalog issue number:
- 666
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1950-07-01T00:00:00Z
- Monthly Catalog entry number:
- 13961
- Record start page number:
- 64