20mm API DM 23 A1, DIEHL Pamphlet 1981

20mm API DM 23 A1, DIEHL Pamphlet 1981.pdf (2.5 MB)

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Nice, here’s the 1984 version

Diehl - 20x102 DM23A1 (1984).jpg.pdf (2.0 MB)

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