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Category:520 mm railway howitzer
Media in category "520 mm railway howitzer"
The following 3 files are in this category, out of 3 total.
French 520 mm howitzer on cradle sliding recoil railway mount.jpg
French 520 mm railway howitzer diagram.jpeg
The people's war book; history, cyclopaedia and chronology of the great world war (1919) (14778930211).jpg
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