new 76 mm M1931 in 1937, an 85 mm M1938 and developed the 37 mm M1939 (61-K), which appears to have been copied from the Bofors 40 mm. A Bofors 25 mm, essentially...

a Czechoslovakian 90mm anti-aircraft gun Model 12. **Converted to use 88 mm ammunition. [page needed][unreliable source?] German designations of foreign...