STEAM AND VACUUM NOZZLE
United States Patent 3439374

Inventors:
Wisdom, William H.
Publication Date:
04/22/1969
View Patent Images:
Assignee:
William, Wisdom H.
Primary Class:
Other Classes:
392/396, 15/322
International Classes:
A47L9/02; A47L11/34; A47L11/00; A47L7/00




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