Matrix for photo composing machines
United States Patent 2105555

Inventors:
Samu-el, Ish-shalom
Bloom, Otto I.
Publication Date:
01/18/1938
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Assignee:
Samu-el, Ish-shalom
Bloom, Otto I.
Primary Class:
396/556
International Classes:
B41B15/04; B41B15/00