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Patent US3782240 - Firing mechanism for mortars - Google Patents
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Patent us3782240
M29a1 81mm medium mortar .
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Patent US3782240 - Firing mechanism for mortars - Google Patents
Heavy (65 lb.) Bronze Mortar
M29A1 81mm Medium Mortar
Mm Mortar - Improvised Weaponry - Bev Fitchett's Guns Magazine