Bibliographic data

Document DE000000350705A (Pages: 3)

Bibliographic data Document DE000000350705A (Pages: 3)
INID Criterion Field Contents
54 Title TI [DE] Vorrichtung zur Aufzeichnung von Schallwellen
71/73 Applicant/owner PA JOSEPH ENGL DR ; JOSEPH MASSOLLE ; VOGT HANS
72 Inventor IN
22/96 Application date AD Apr 6, 1919
21 Application number AN
Country of application AC DE
Publication date PUB Mar 24, 1922
33
31
32		 Priority data PRC
PRN
PRD		 DE
null
19190406
51 IPC main class ICM
51 IPC secondary class ICS
IPC additional class ICA
IPC index class ICI
Cooperative patent classification CPC G11B 7/00
MCD main class MCM
MCD secondary class MCS G11B 7/00 (2006.01)
MCD additional class MCA
57 Abstract AB
56 Cited documents identified in the search CT
56 Cited documents indicated by the applicant CT
56 Cited non-patent literature identified in the search CTNP
56 Cited non-patent literature indicated by the applicant CTNP
Citing documents DE000000750613A
Sequence listings
Search file IPC ICP G11B 7/00 TF
G11B 7/00