DK32045C - Method and Apparatus for Manufacturing the Pump Tube in Electric Light Bulbs. - Google Patents

Method and Apparatus for Manufacturing the Pump Tube in Electric Light Bulbs.

Info

Publication number
DK32045C
DK32045C DK32045DA DK32045C DK 32045 C DK32045 C DK 32045C DK 32045D A DK32045D A DK 32045DA DK 32045 C DK32045 C DK 32045C
Authority
DK
Denmark
Prior art keywords
manufacturing
electric light
light bulbs
pump tube
pump
Prior art date
Application number
Other languages
Danish (da)
Original Assignee
Patentudnytterne Patent Treuha
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 Patentudnytterne Patent Treuha filed Critical Patentudnytterne Patent Treuha
Application granted granted Critical
Publication of DK32045C publication Critical patent/DK32045C/en

Links

DK32045D 1920-11-20 1921-07-26 Method and Apparatus for Manufacturing the Pump Tube in Electric Light Bulbs. DK32045C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE32045X 1920-11-20

Publications (1)

Publication Number Publication Date
DK32045C true DK32045C (en) 1923-07-30

Family

ID=5622190

Family Applications (1)

Application Number Title Priority Date Filing Date
DK32045D DK32045C (en) 1920-11-20 1921-07-26 Method and Apparatus for Manufacturing the Pump Tube in Electric Light Bulbs.

Country Status (1)

Country Link
DK (1) DK32045C (en)

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