Hand-held vacuum cleaner

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

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D03550583

REFERENCES:
patent: D287419 (1986-12-01), Ling
patent: D298874 (1988-12-01), Nakamura
patent: D303025 (1989-08-01), Yamamoto et al.
patent: D314846 (1991-02-01), deBlois
patent: 4225814 (1980-09-01), Gantz et al.
patent: 4577365 (1986-03-01), Yuen
patent: 4788738 (1988-12-01), Monson et al.
patent: 5056186 (1991-10-01), Jiam-Fa
Hong Kong Enterprise Catalog; Jan. 1985; p. 161; Rechargeable Vacuum Cleaner.

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