Cellular telephone with extendible keyboard

Recording – communication – or information retrieval equipment – Video or audio transmission – recording or playback equipment – Radio transceiver

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1403

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D04096010

REFERENCES:
patent: D326452 (1992-05-01), Roegner
patent: D327059 (1992-06-01), Chu et al.
patent: D370673 (1996-06-01), Happo et al.
patent: D375951 (1996-11-01), Birmanns
patent: 5151946 (1992-09-01), Martensson
patent: 5197091 (1993-03-01), Takagi et al.
patent: 5335274 (1994-08-01), Masuda et al.
patent: 5504813 (1996-04-01), Takasaki
patent: 5657370 (1997-08-01), Tsugane et al.
patent: 5715311 (1998-02-01), Sudo et al.

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