AT174433B - Method for producing a vacuum-tight closure - Google Patents

Method for producing a vacuum-tight closure

Info

Publication number
AT174433B
AT174433B AT174433DA AT174433B AT 174433 B AT174433 B AT 174433B AT 174433D A AT174433D A AT 174433DA AT 174433 B AT174433 B AT 174433B
Authority
AT
Austria
Prior art keywords
vacuum
producing
tight closure
closure
tight
Prior art date
Application number
Other languages
German (de)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Application granted granted Critical
Publication of AT174433B publication Critical patent/AT174433B/en

Links

AT174433D 1943-12-31 1947-12-18 Method for producing a vacuum-tight closure AT174433B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL174433X 1943-12-31

Publications (1)

Publication Number Publication Date
AT174433B true AT174433B (en) 1953-03-25

Family

ID=19777069

Family Applications (1)

Application Number Title Priority Date Filing Date
AT174433D AT174433B (en) 1943-12-31 1947-12-18 Method for producing a vacuum-tight closure

Country Status (1)

Country Link
AT (1) AT174433B (en)

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