专利名称：Book page holder发明人：BENTLEY; ARCH N.申请号：US46695174申请日：19740506公开号：US3868085A公开日：19750225
摘要：A device for holding a book in almost vertical position in open position withadjacent pages fully extended for reading or viewing. The device includes an elongatedcylinder having foldable support means and page holding means extendable from orretractable within bores in the cylinder.
申请人：THE RAYMOND LEE ORGANIZATION, INC.
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