| 摘要 |
455,582. Book - supports. ISBERG, J. R. Uttran, Sweden. April 9 1936, No. 10522. [Class 52 (i)] A book-support or like device for use on a book shelf, or in a book-case com prising upper and lowe: shelves 11, 12, consists o two metal plates 1, 2 re cessed to receive between them a spring strip 4 se cured to cylindrical part 5 with rubber rings 7 engaging with the top shelf 11. The parts 5, 1 are adjustable connected by a bolt 9. |
