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Class Information
Number: 220/DIG.7
Name: Receptacles > Flexible tubes
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
5656346 Packaging tube Aug. 12, 1997
5297694 Device with constant magnetic field to preserve perishable substances Mar. 29, 1994
5130020 Portable water filter unit having storage space for flexible tubes Jul. 14, 1992
4943414 Method for vapor sterilizaton of articles having lumens Jul. 24, 1990
4723668 Feeding bottle structure with value Feb. 9, 1988











 
 
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