JPH048779U - - Google Patents
Info
- Publication number
- JPH048779U JPH048779U JP4930990U JP4930990U JPH048779U JP H048779 U JPH048779 U JP H048779U JP 4930990 U JP4930990 U JP 4930990U JP 4930990 U JP4930990 U JP 4930990U JP H048779 U JPH048779 U JP H048779U
- Authority
- JP
- Japan
- Prior art keywords
- rod seat
- airtight chamber
- negative pressure
- electric
- housing
- 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.)
- Pending
Links
Landscapes
- Details Of Reciprocating Pumps (AREA)
- Reciprocating Pumps (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4930990U JPH048779U (ro) | 1990-05-11 | 1990-05-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4930990U JPH048779U (ro) | 1990-05-11 | 1990-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH048779U true JPH048779U (ro) | 1992-01-27 |
Family
ID=31566883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4930990U Pending JPH048779U (ro) | 1990-05-11 | 1990-05-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH048779U (ro) |
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1990
- 1990-05-11 JP JP4930990U patent/JPH048779U/ja active Pending