- Publication Title:
- Bureau of Mines approval system for respiratory protective devices; by S. J. Pearce.
- Display Title:
- Information circulars. 7600. Bureau of Mines approval system for respiratory protective devices; by S. J. Pearce.
- Series Title:
- Information circulars.
- Corporate Agency Authors:
- Mines Bureau and Interior Dept.
- Sort Author:
- Mines Bureau
- Authors:
- Pearce, S. J.
- Date:
- Apr. 1951
- Publish Date ISO Format:
- 1951-04-01T00:00:00Z
- Publication Start:
- 19510401
- Publication End:
- 19510430
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 9
- Publication year:
- 1951
- SuDoc number:
- I 28.27:(nos.)
- Description:
- [1]+6 p. 1 pl. 4°
- Notes:
- [Processed.]
- Notes:
- [Processed.] † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
- Availability:
- † Distribution Made by Issuing Office. Mines Bureau, Pittsburgh, Pa.
- Monthly Catalog date:
- June 1951
- Monthly Catalog issue number:
- 677
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1951-06-01T00:00:00Z
- Monthly Catalog entry number:
- 10048
- Record start page number:
- 59