Title:
Typing machines for arabic group languages
United States Patent 2940575
US Patent References:
/0637109.html
- - 0637109

/0639379.html
- - 0639379

/1057013.html
- - 1057013

/1213880.html
- - 1213880

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Inventors:
Seyed, Khalil
Publication Date:
06/14/1960
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Assignee:
ROYAL MCBEE CORP
Primary Class:
400/111
Other Classes:
D18/25, 400/484, 400/323.100
International Classes:
B41J3/01; B41J3/00
US Patent References:
1686627Typewriter
2672228Music typewriter