JPH01172796U - - Google Patents
Info
- Publication number
- JPH01172796U JPH01172796U JP6884988U JP6884988U JPH01172796U JP H01172796 U JPH01172796 U JP H01172796U JP 6884988 U JP6884988 U JP 6884988U JP 6884988 U JP6884988 U JP 6884988U JP H01172796 U JPH01172796 U JP H01172796U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- buttful
- opening
- cover
- extension
- 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 Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6884988U JPH01172796U (fr) | 1988-05-25 | 1988-05-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6884988U JPH01172796U (fr) | 1988-05-25 | 1988-05-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01172796U true JPH01172796U (fr) | 1989-12-07 |
Family
ID=31294144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6884988U Pending JPH01172796U (fr) | 1988-05-25 | 1988-05-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01172796U (fr) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559175B2 (fr) * | 1976-12-07 | 1980-03-08 |
-
1988
- 1988-05-25 JP JP6884988U patent/JPH01172796U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS559175B2 (fr) * | 1976-12-07 | 1980-03-08 |