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United States Patent RE27214
Publication Date:
11/02/1971
Export Citation:
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Primary Class:
264/15
Other Classes:
264/117, 425/222
International Classes:
B01J2/14
;
B01J2/20
;
B29B9/00
;
B01J2/14
;
B01J2/20
;
B29B9/00
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