Н. Н. Киселев Н. Ф. Понгильский А. Ф. Нистратов С. М. Топалер М. Горфинкель Б. В. Розанов
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Perfeccionamientos en dispositivos para fijar axilmente un casquillo cilindrico entre una superficie de contacto de unacarcasa exterior y una tapa de carcasa o culata, conectada en forma desmontable con dicha culata.