JPS5677493A - Hole expander - Google Patents
Hole expanderInfo
- Publication number
- JPS5677493A JPS5677493A JP15185979A JP15185979A JPS5677493A JP S5677493 A JPS5677493 A JP S5677493A JP 15185979 A JP15185979 A JP 15185979A JP 15185979 A JP15185979 A JP 15185979A JP S5677493 A JPS5677493 A JP S5677493A
- Authority
- JP
- Japan
- Prior art keywords
- hole expander
- expander
- hole
- 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.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54151859A JPS589232B2 (en) | 1979-11-22 | 1979-11-22 | hole expanding device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54151859A JPS589232B2 (en) | 1979-11-22 | 1979-11-22 | hole expanding device |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5677493A true JPS5677493A (en) | 1981-06-25 |
JPS589232B2 JPS589232B2 (en) | 1983-02-19 |
Family
ID=15527802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54151859A Expired JPS589232B2 (en) | 1979-11-22 | 1979-11-22 | hole expanding device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS589232B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0434974Y2 (en) * | 1985-06-18 | 1992-08-19 | ||
CN112805603B (en) | 2018-10-02 | 2023-10-20 | 东洋纺株式会社 | Liquid crystal display device, polarizing plate, and polarizing plate protective film |
EP4235235A1 (en) | 2020-10-23 | 2023-08-30 | Toyobo Co., Ltd. | Polyethylene terephthalate-based resin film, and polarizing plate, transparent conductive film, touch panel, and image display device using same |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51101602U (en) * | 1975-02-14 | 1976-08-14 | ||
JPS54135401A (en) * | 1978-04-11 | 1979-10-20 | Tone Boring Co | Hole expanding device |
-
1979
- 1979-11-22 JP JP54151859A patent/JPS589232B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51101602U (en) * | 1975-02-14 | 1976-08-14 | ||
JPS54135401A (en) * | 1978-04-11 | 1979-10-20 | Tone Boring Co | Hole expanding device |
Also Published As
Publication number | Publication date |
---|---|
JPS589232B2 (en) | 1983-02-19 |
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