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7404428 Foldable honeycomb structure and method for making the same  
The present invention relates to a foldable honeycomb structure and method for making the same. The method comprises (a) providing a plurality of flat strips; (b) forming a pair of longitudinal...
7398815 Non-pull cord operated window blind structure  
A non-pull cord operated window blind structure comprises a head rail with a blind body attached to the underside and actuated by a collecting cord wherein a cord-winding control device actuated by...
Matches 1 - 2 out of 2