DK41471C - Optical device Examining objects or places inaccessible to direct consideration. - Google Patents

Optical device Examining objects or places inaccessible to direct consideration.

Info

Publication number
DK41471C
DK41471C DK41471DA DK41471C DK 41471 C DK41471 C DK 41471C DK 41471D A DK41471D A DK 41471DA DK 41471 C DK41471 C DK 41471C
Authority
DK
Denmark
Prior art keywords
optical device
examining objects
places inaccessible
direct consideration
device examining
Prior art date
Application number
Other languages
Danish (da)
Inventor
Otto Wilhelm Johannsen
Original Assignee
Otto Wilhelm Johannsen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Otto Wilhelm Johannsen filed Critical Otto Wilhelm Johannsen
Application granted granted Critical
Publication of DK41471C publication Critical patent/DK41471C/en

Links

DK41471D 1928-07-31 1928-07-31 Optical device Examining objects or places inaccessible to direct consideration. DK41471C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK41471T 1928-07-31

Publications (1)

Publication Number Publication Date
DK41471C true DK41471C (en) 1930-01-13

Family

ID=8130691

Family Applications (1)

Application Number Title Priority Date Filing Date
DK41471D DK41471C (en) 1928-07-31 1928-07-31 Optical device Examining objects or places inaccessible to direct consideration.

Country Status (1)

Country Link
DK (1) DK41471C (en)

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