United States Patent 2654894
US Patent References:
/0643094.html
- - 0643094

/1025612.html
- - 1025612

Flushing-valve and controlling mechanism
- - 1364891

Spray apparatus for treating foot ailments
- - 1715043


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Primary Class:
4/615
Other Classes:
4/622
Foreign References:
GB482613A