ES143838A1 - Improvements in the construction of exhaust valves for vacuum systems. - Google Patents

Improvements in the construction of exhaust valves for vacuum systems.

Info

Publication number
ES143838A1
ES143838A1 ES143838A ES143838A ES143838A1 ES 143838 A1 ES143838 A1 ES 143838A1 ES 143838 A ES143838 A ES 143838A ES 143838 A ES143838 A ES 143838A ES 143838 A1 ES143838 A1 ES 143838A1
Authority
ES
Spain
Prior art keywords
construction
exhaust valves
vacuum systems
vacuum
systems
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
ES143838A
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.)
Gresham & Craven Ltd
Original Assignee
Gresham & Craven Ltd
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 Gresham & Craven Ltd filed Critical Gresham & Craven Ltd
Priority to ES143838A priority Critical patent/ES143838A1/en
Publication of ES143838A1 publication Critical patent/ES143838A1/en
Expired legal-status Critical Current

Links

ES143838A 1937-08-31 1937-08-31 Improvements in the construction of exhaust valves for vacuum systems. Expired ES143838A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES143838A ES143838A1 (en) 1937-08-31 1937-08-31 Improvements in the construction of exhaust valves for vacuum systems.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES143838A ES143838A1 (en) 1937-08-31 1937-08-31 Improvements in the construction of exhaust valves for vacuum systems.

Publications (1)

Publication Number Publication Date
ES143838A1 true ES143838A1 (en) 1937-12-16

Family

ID=65618907

Family Applications (1)

Application Number Title Priority Date Filing Date
ES143838A Expired ES143838A1 (en) 1937-08-31 1937-08-31 Improvements in the construction of exhaust valves for vacuum systems.

Country Status (1)

Country Link
ES (1) ES143838A1 (en)

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