Air cleaning conference.
- Publisher: Technical Information Service Extension ;
- Print ISSN:
- Electronic ISSN:
- OCLC Number: 9172008
- Subject: Air Purification.
- Subject code: QC
- Publication history:
Print Holdings
| Archiving Institution | Program | Holdings Description | Retention |
|---|---|---|---|
| HathiTrust (HATHI) | HTDL | v.4 1955; v.5 1957; v.6 1959; v.1 1961; v.2 1961; v.8 1963; v.1 1967; v.2 1967 | permanent |