DK34039C - Elektrisk Vakuumrør. - Google Patents

Elektrisk Vakuumrør.

Info

Publication number
DK34039C
DK34039C DK34039DA DK34039C DK 34039 C DK34039 C DK 34039C DK 34039D A DK34039D A DK 34039DA DK 34039 C DK34039 C DK 34039C
Authority
DK
Denmark
Prior art keywords
vacuum tube
electric vacuum
electric
tube
vacuum
Prior art date
Application number
Other languages
English (en)
Inventor
Ernest Yeoman Robinson
Original Assignee
Ernest Yeoman Robinson
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 Ernest Yeoman Robinson filed Critical Ernest Yeoman Robinson
Application granted granted Critical
Publication of DK34039C publication Critical patent/DK34039C/da

Links

DK34039D 1921-12-06 1922-12-05 Elektrisk Vakuumrør. DK34039C (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34039X 1921-12-06

Publications (1)

Publication Number Publication Date
DK34039C true DK34039C (da) 1925-01-12

Family

ID=9757687

Family Applications (1)

Application Number Title Priority Date Filing Date
DK34039D DK34039C (da) 1921-12-06 1922-12-05 Elektrisk Vakuumrør.

Country Status (1)

Country Link
DK (1) DK34039C (da)

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