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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A47L5/12
with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
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