Offenlegungsschrift 1927 401
Details
Offenlegungsschrift 1927 401 des deutschen Patentamts, 1970: Verfahren
zur hörrichtigen Aufnahme und Wiedergabe von Schallereignissen und
Vorrichtung zu seiner Durchführung.
Permalink
Download QR code
From the series
Source information
| Type | Patent
|
Copyright information
Original from
Private estate of Ralf Kürer
Copyright attribution
CC-BY-SA Users may share and adapt this material, even for commercial purposes. Appropriate credit must be given and an indication included if changes were made. Adapted versions must be distributed under the same license as original.
Digitization by
Stefan Krebs
Digitization License
CC-BY-SA Users may share and adapt this material, even for commercial purposes. Appropriate credit must be given and an indication included if changes were made. Adapted versions must be distributed under the same license as original.