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81mm Mortar Ammunition And Fuzes
M29a1 81mm medium mortar M19 mortar Mm mortar
Mortar mm 60mm tube elevation schematic weaponry improvised bev fitchett guns magazine
Mortar 81mm infantry technical data military medium m29 system gp inetres81mm mortar ammunition and fuzes .
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81mm Mortar Ammunition And Fuzes
Patent US3782240 - Firing mechanism for mortars - Google Patents
Mm Mortar - Improvised Weaponry - Bev Fitchett's Guns Magazine
M29A1 81mm Medium Mortar