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ES85989A1 - An improved apparatus for producing a vacuum. - Google Patents

An improved apparatus for producing a vacuum.

Info

Publication number
ES85989A1
ES85989A1 ES85989A ES85989A ES85989A1 ES 85989 A1 ES85989 A1 ES 85989A1 ES 85989 A ES85989 A ES 85989A ES 85989 A ES85989 A ES 85989A ES 85989 A1 ES85989 A1 ES 85989A1
Authority
ES
Spain
Prior art keywords
vacuum
producing
improved apparatus
improved
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
ES85989A
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.)
Greig John Wilkinson
Original Assignee
Greig John Wilkinson
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 Greig John Wilkinson filed Critical Greig John Wilkinson
Priority to ES85989A priority Critical patent/ES85989A1/en
Publication of ES85989A1 publication Critical patent/ES85989A1/en
Expired legal-status Critical Current

Links

ES85989A 1923-06-28 1923-06-28 An improved apparatus for producing a vacuum. Expired ES85989A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES85989A ES85989A1 (en) 1923-06-28 1923-06-28 An improved apparatus for producing a vacuum.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES85989A ES85989A1 (en) 1923-06-28 1923-06-28 An improved apparatus for producing a vacuum.

Publications (1)

Publication Number Publication Date
ES85989A1 true ES85989A1 (en) 1923-12-01

Family

ID=64251365

Family Applications (1)

Application Number Title Priority Date Filing Date
ES85989A Expired ES85989A1 (en) 1923-06-28 1923-06-28 An improved apparatus for producing a vacuum.

Country Status (1)

Country Link
ES (1) ES85989A1 (en)

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