Gun-barrel with a. breech-piece screwed on an a-tube
United States Patent 1393057

Inventors:
John, Vollmer
Publication Date:
10/11/1921
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Assignee:
KRUPP AG
Primary Class:
89/16
Other Classes:
285/347, 285/355, 285/92, 285/421, 42/75.020
International Classes:
F41A21/48; F41A21/00