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Harry Whitfield
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Individual
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Individual
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8973. Whitfield, H. April 24. Vacuum cleaning- apparatus.-A suction nozzle consists of an outer member d formed with a slot e and bearing- surfaces g and an inner member b forming a T- or L-shaped end to the suction pipe a, and constituting a pivot by which the member d is attached to the suction pipe. The member b is formed with a wide slot c, through which the slot e communicates with the pipe a.
GB190808973D1908-04-241908-04-24Improvements relating to Suction Dust-removing Apparatus.
ExpiredGB190808973A
(en)