JPS4719025U - - Google Patents
Info
- Publication number
- JPS4719025U JPS4719025U JP2465371U JP2465371U JPS4719025U JP S4719025 U JPS4719025 U JP S4719025U JP 2465371 U JP2465371 U JP 2465371U JP 2465371 U JP2465371 U JP 2465371U JP S4719025 U JPS4719025 U JP S4719025U
- Authority
- JP
- Japan
- 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
- Headphones And Earphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2465371U JPS4719025U (en) | 1971-04-03 | 1971-04-03 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2465371U JPS4719025U (en) | 1971-04-03 | 1971-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4719025U true JPS4719025U (en) | 1972-11-02 |
Family
ID=27881919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2465371U Pending JPS4719025U (en) | 1971-04-03 | 1971-04-03 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4719025U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57161822A (en) * | 1981-03-31 | 1982-10-05 | Nippon Kogaku Kk <Nikon> | Large aperture ratio lens |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS455747Y1 (en) * | 1967-12-21 | 1970-03-19 |
-
1971
- 1971-04-03 JP JP2465371U patent/JPS4719025U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS455747Y1 (en) * | 1967-12-21 | 1970-03-19 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57161822A (en) * | 1981-03-31 | 1982-10-05 | Nippon Kogaku Kk <Nikon> | Large aperture ratio lens |