JPH01179844U - - Google Patents
Info
- Publication number
- JPH01179844U JPH01179844U JP7506488U JP7506488U JPH01179844U JP H01179844 U JPH01179844 U JP H01179844U JP 7506488 U JP7506488 U JP 7506488U JP 7506488 U JP7506488 U JP 7506488U JP H01179844 U JPH01179844 U JP H01179844U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- backflow prevention
- utility
- scope
- registration request
- 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
- 230000002265 prevention Effects 0.000 claims description 2
Landscapes
- Tubes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7506488U JPH01179844U (hu) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7506488U JPH01179844U (hu) | 1988-06-06 | 1988-06-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01179844U true JPH01179844U (hu) | 1989-12-25 |
Family
ID=31300146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7506488U Pending JPH01179844U (hu) | 1988-06-06 | 1988-06-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01179844U (hu) |
-
1988
- 1988-06-06 JP JP7506488U patent/JPH01179844U/ja active Pending