Title:
METHOD OF MAKING A SCREEN STENCIL
United States Patent 3538847
Inventors:
Heilman, David C.
Publication Date:
11/10/1970
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Export Citation:
Assignee:
GEN MOTORS CORP
Primary Class:
Other Classes:
101/128.210
International Classes:
B41C1/14; G03F7/12; H05K3/00; H05K3/12; B30B9/06