JPH0244076Y2 - - Google Patents

Info

Publication number
JPH0244076Y2
JPH0244076Y2 JP9577389U JP9577389U JPH0244076Y2 JP H0244076 Y2 JPH0244076 Y2 JP H0244076Y2 JP 9577389 U JP9577389 U JP 9577389U JP 9577389 U JP9577389 U JP 9577389U JP H0244076 Y2 JPH0244076 Y2 JP H0244076Y2
Authority
JP
Japan
Prior art keywords
impeller
port
stage
vacuum pump
discharge port
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
JP9577389U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0243493U (ru
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 filed Critical
Priority to JP9577389U priority Critical patent/JPH0244076Y2/ja
Publication of JPH0243493U publication Critical patent/JPH0243493U/ja
Application granted granted Critical
Publication of JPH0244076Y2 publication Critical patent/JPH0244076Y2/ja
Expired legal-status Critical Current

Links

JP9577389U 1989-08-17 1989-08-17 Expired JPH0244076Y2 (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9577389U JPH0244076Y2 (ru) 1989-08-17 1989-08-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9577389U JPH0244076Y2 (ru) 1989-08-17 1989-08-17

Publications (2)

Publication Number Publication Date
JPH0243493U JPH0243493U (ru) 1990-03-26
JPH0244076Y2 true JPH0244076Y2 (ru) 1990-11-22

Family

ID=31320486

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9577389U Expired JPH0244076Y2 (ru) 1989-08-17 1989-08-17

Country Status (1)

Country Link
JP (1) JPH0244076Y2 (ru)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110199125B (zh) 2017-01-30 2022-02-01 株式会社荏原制作所 两级液封式真空泵以及液封式真空泵

Also Published As

Publication number Publication date
JPH0243493U (ru) 1990-03-26

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