Patent classifications
A
HUMAN NECESSITIES
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A47
FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
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A47L
DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
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5/00
Structural features of suction cleaners
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A47L5/02
with user-driven air-pumps or compressors
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A47L5/08
driven by cleaner-supporting wheels
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