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United States Patent 3473670
US Patent References:
/2721661.html
- - 2721661
Record holder
- - 3214029
Inventors:
Elftmann, Joel A.
Publication Date:
10/21/1969
View Patent Images:
Download PDF 3473670
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Assignee:
FLUOROWARE INC
Primary Class:
211/41.100
Other Classes:
294/159, 211/163
International Classes:
A47L15/30
;
A47L15/00
; A47F5/02
Foreign References:
SE189470A
CA652812A
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