Electronic telephone number directory

Recording – communication – or information retrieval equipment – Computer – data processor equipment – Pocket type

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D18 7, 1402

Patent

active

D04284127

REFERENCES:
patent: D266855 (1982-11-01), Yoshioka et al.
patent: D330907 (1992-11-01), Burke
patent: D341825 (1993-11-01), Hamilton
patent: D386199 (1997-11-01), Kurabuti et al.
patent: D399209 (1998-10-01), Yamagishi
patent: 4142236 (1979-02-01), Martz et al.

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