Vacuum cleaner

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

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D03762289

REFERENCES:
patent: D274381 (1984-06-01), Chiu
patent: D290893 (1987-07-01), Essex
patent: D294412 (1988-02-01), Sadashima et al.
patent: D302876 (1989-08-01), Ikeda et al.
patent: D303170 (1989-08-01), Hirano
patent: D306657 (1990-03-01), Fushiya et al.
patent: D315816 (1991-03-01), Ferrari et al.
patent: D352141 (1994-11-01), Correa et al.
patent: 5341541 (1994-08-01), Sham
Hong Kong Enterprise, p. 180. "AV-1 Advance vacuum cleaner" Apr. 1984.

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