Title:
Duplicating stencils
United States Patent 3376810
US Patent References:
Electrosensitive stencil blank
- - 2500617

Duplicating stencils
- - 3151548


Inventors:
Francis, Blake Alan
Cyril, Green
Publication Date:
04/09/1968
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Assignee:
GESTETNER LTD
Primary Class:
101/128.210
International Classes:
B41N1/24; H01B1/24