AT152620B - Half mask. - Google Patents
Half mask.Info
- Publication number
- AT152620B AT152620B AT152620DA AT152620B AT 152620 B AT152620 B AT 152620B AT 152620D A AT152620D A AT 152620DA AT 152620 B AT152620 B AT 152620B
- Authority
- AT
- Austria
- Prior art keywords
- half mask
- mask
- Prior art date
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT152620T | 1937-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
AT152620B true AT152620B (en) | 1938-02-25 |
Family
ID=3647195
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT152620D AT152620B (en) | 1937-03-20 | 1937-03-20 | Half mask. |
Country Status (1)
Country | Link |
---|---|
AT (1) | AT152620B (en) |
-
1937
- 1937-03-20 AT AT152620D patent/AT152620B/en active
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