CA238474A - Cut-off valve for vacuum pipe line - Google Patents

Cut-off valve for vacuum pipe line

Info

Publication number
CA238474A
CA238474A CA238474A CA238474DA CA238474A CA 238474 A CA238474 A CA 238474A CA 238474 A CA238474 A CA 238474A CA 238474D A CA238474D A CA 238474DA CA 238474 A CA238474 A CA 238474A
Authority
CA
Canada
Prior art keywords
valve
cut
pipe line
vacuum pipe
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
CA238474A
Other languages
French (fr)
Inventor
Henry Naylor James
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA238474A publication Critical patent/CA238474A/en
Expired legal-status Critical Current

Links

CA238474A Cut-off valve for vacuum pipe line Expired CA238474A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238474T

Publications (1)

Publication Number Publication Date
CA238474A true CA238474A (en) 1924-03-11

Family

ID=35142505

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238474A Expired CA238474A (en) Cut-off valve for vacuum pipe line

Country Status (1)

Country Link
CA (1) CA238474A (en)

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