FI52898C - Tyhjöpumppu - Google Patents

Tyhjöpumppu

Info

Publication number
FI52898C
FI52898C FI283772A FI283772A FI52898C FI 52898 C FI52898 C FI 52898C FI 283772 A FI283772 A FI 283772A FI 283772 A FI283772 A FI 283772A FI 52898 C FI52898 C FI 52898C
Authority
FI
Finland
Prior art keywords
vacuum pump
vacuum
pump
Prior art date
Application number
FI283772A
Other languages
English (en)
Swedish (sv)
Other versions
FI52898B (fi
Inventor
Irving Callender Jennings
Original Assignee
Irving Callender Jennings
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
Priority claimed from FI276768A external-priority patent/FI49212C/fi
Application filed by Irving Callender Jennings filed Critical Irving Callender Jennings
Publication of FI52898B publication Critical patent/FI52898B/fi
Application granted granted Critical
Publication of FI52898C publication Critical patent/FI52898C/fi

Links

FI283772A 1968-03-07 1972-10-13 Tyhjöpumppu FI52898C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71137068A 1968-03-07 1968-03-07
FI276768A FI49212C (fi) 1968-03-07 1968-09-30 Monivaiheisen nesterengastyhjöpumpun vaiheiden välinen tiivistys.

Publications (2)

Publication Number Publication Date
FI52898B FI52898B (fi) 1977-08-31
FI52898C true FI52898C (fi) 1977-12-12

Family

ID=26156631

Family Applications (1)

Application Number Title Priority Date Filing Date
FI283772A FI52898C (fi) 1968-03-07 1972-10-13 Tyhjöpumppu

Country Status (1)

Country Link
FI (1) FI52898C (fi)

Also Published As

Publication number Publication date
FI52898B (fi) 1977-08-31

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