Brush-type cleaning device

Washing – cleaning – or drying machine – Washing – cleaning – or drying machine – Surface treatment – e.g. – floor – street – etc.

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D32 18, D 4100

Patent

active

D03545920

REFERENCES:
patent: D209274 (1967-11-01), Richards
patent: D211396 (1968-06-01), Hori
patent: D211751 (1968-07-01), Richards
patent: D214084 (1969-05-01), Chi
patent: D246752 (1977-12-01), Fukuda et al.
patent: D247341 (1978-02-01), Delly
patent: D279626 (1985-07-01), McCloskey
patent: D305480 (1990-01-01), Yuen
patent: D306657 (1990-03-01), Fushiya et al.
patent: D307656 (1990-05-01), Yuen
patent: D316316 (1991-04-01), Yuen
patent: 3513500 (1970-05-01), Hori
Hay Kay Enterprise, vol. 4, 1983, p. 120. "Item 9805".

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