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ES176611A1 - IMPROVEMENTS IN HIGH VACUUM PUMPS - Google Patents

IMPROVEMENTS IN HIGH VACUUM PUMPS

Info

Publication number
ES176611A1
ES176611A1 ES176611A ES176611A ES176611A1 ES 176611 A1 ES176611 A1 ES 176611A1 ES 176611 A ES176611 A ES 176611A ES 176611 A ES176611 A ES 176611A ES 176611 A1 ES176611 A1 ES 176611A1
Authority
ES
Spain
Prior art keywords
high vacuum
vacuum pumps
pumps
vacuum
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES176611A
Other languages
Spanish (es)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES176611A1 publication Critical patent/ES176611A1/en
Expired legal-status Critical Current

Links

ES176611A 1931-01-12 1947-01-30 IMPROVEMENTS IN HIGH VACUUM PUMPS Expired ES176611A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25057031A 1931-01-12 1931-01-12

Publications (1)

Publication Number Publication Date
ES176611A1 true ES176611A1 (en) 1947-03-01

Family

ID=65622169

Family Applications (1)

Application Number Title Priority Date Filing Date
ES176611A Expired ES176611A1 (en) 1931-01-12 1947-01-30 IMPROVEMENTS IN HIGH VACUUM PUMPS

Country Status (1)

Country Link
ES (1) ES176611A1 (en)

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