Key for office machines
United States Patent 2692038
US Patent References:
/0285096.html
- - 0285096

/0823137.html
- - 0823137

Typewriting machine
- - 1508001


Inventors:
Otto, Winter
Publication Date:
10/19/1954
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Assignee:
OLYMPIA WERKE WEST GMBH
Primary Class:
400/491.200
International Classes:
B41J5/16; B41J5/00
Foreign References:
GB191208818A
DE365595C