Mechanical Membrane Removal, Townsend No. 66A. Iowa State University
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Copyright
Registered 7Oct70 · MP21159 (Jan-Jun 1971) Copyright holder: Iowa State University a.a.d.o. Iowa State University of Science & Technology Production company: Film Production Unit & Dept
Sources
- U.S. Copyright Office, Catalog of Copyright Entries (renewals, 1970–1978) — title, year, creator, length, copyright
Record added 2026-06-28T20:22:04Z