https://worldwide.espacenet.com/searchResults?DB=EPODOC&locale=en_EP&query=DE1031166B 1 results found in the Worldwide database en Sun, 14 Jun 2026 02:41:13 GMT 1440 2026-06-14T02:41:13Z en https://worldwide.espacenet.com/publicationDetails/biblio?CC=DE&NR=1031166B&KC=B&FT=D&DB=EPODOC&locale=en_EP&date=19580529&rss=true Thu, 29 May 1958 12:00:00 GMT https://worldwide.espacenet.com/publicationDetails/biblio?CC=DE&NR=1031166B&KC=B&FT=D&DB=EPODOC&locale=en_EP&date=19580529&rss=true AHRENS DR PHIL HABIL ERHARD Espacenet 1958-05-29T12:00:00Z DE1031166B (B) ELECTROACUSTIC GMBH B63B59/04 B63B59/04 DE1031166B - 1958-05-29 1956-10-23