IDENTIFICATION DOCUMENT AND MATERIAL FOR ITS MANUFACTURE
United States Patent 3533176

Inventors:
Weitzberg, Alex Alter
Hogstrom, Lars Olof Wilhelm
Publication Date:
10/13/1970
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Assignee:
Ceaverken, Svenskt Fotografiskt
Primary Class:
283/92
Other Classes:
428/916, 283/97, 283/108
International Classes:
G09F3/02
US Patent References:
3313052Laminations
3402488Identification card




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