- Publication Title:
- Respirators. Testing respiratory protective equipment for approval; by H. H. Schrenk.
- Display Title:
- Respirators. Testing respiratory protective equipment for approval; by H. H. Schrenk.
- Corporate Agency Authors:
- Mines Bureau and Interior Department
- Sort Author:
- Mines Bureau
- Authors:
- Schrenk, H. H.
- Date:
- Aug. 1940
- Publish Date ISO Format:
- 1940-08-01T00:00:00Z
- Publication Start:
- 19400801
- Publication End:
- 19400831
- Corporate/Agency Author:
- Mines Bureau
- Publication month:
- 5
- Publication year:
- 1940
- SuDoc number:
- I 28.27:7130
- Description:
- [1]+9 p. 4°
- Notes:
- (Information circular, I. C. 7130.) [Processed.]
- Notes:
- (Information circular, I. C. 7130.) [Processed.] † Distribution Made by Issuing Office.
- Availability:
- † Distribution Made by Issuing Office.
- Monthly Catalog date:
- September 1940
- Monthly Catalog issue number:
- 549
- Monthly Catalog page number:
- 1
- Monthly Catalog issue date:
- 1940-09-01T00:00:00Z
- Record start page number:
- 1355