ES114920A1 - Improvements in the manufacture of all kinds of sound boxes such as horns, acoustic tubes and similar devices. - Google Patents
Improvements in the manufacture of all kinds of sound boxes such as horns, acoustic tubes and similar devices.Info
- Publication number
- ES114920A1 ES114920A1 ES114920A ES114920A ES114920A1 ES 114920 A1 ES114920 A1 ES 114920A1 ES 114920 A ES114920 A ES 114920A ES 114920 A ES114920 A ES 114920A ES 114920 A1 ES114920 A1 ES 114920A1
- Authority
- ES
- Spain
- Prior art keywords
- horns
- kinds
- manufacture
- similar devices
- sound boxes
- 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.)
- Expired
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES114920A ES114920A1 (en) | 1929-09-13 | 1929-09-13 | Improvements in the manufacture of all kinds of sound boxes such as horns, acoustic tubes and similar devices. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES114920A ES114920A1 (en) | 1929-09-13 | 1929-09-13 | Improvements in the manufacture of all kinds of sound boxes such as horns, acoustic tubes and similar devices. |
Publications (1)
Publication Number | Publication Date |
---|---|
ES114920A1 true ES114920A1 (en) | 1929-10-16 |
Family
ID=65575613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES114920A Expired ES114920A1 (en) | 1929-09-13 | 1929-09-13 | Improvements in the manufacture of all kinds of sound boxes such as horns, acoustic tubes and similar devices. |
Country Status (1)
Country | Link |
---|---|
ES (1) | ES114920A1 (en) |
-
1929
- 1929-09-13 ES ES114920A patent/ES114920A1/en not_active Expired
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