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EP Citations: EP1826428

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Type:Patent literature
Publication No.:US2857750  [X]
 (FOX CARL E et al.) [X] 1-6 * the whole document *
Type:Patent literature
Publication No.:DE8704842  [X]
 (JEPSEN, KURT FRIEDRICH, 4000 DUESSELDORF, DE) [X] 1,2,5 * pages 7,8 * * figures 1-4 *
Type:Patent literature
Publication No.:US3457733  [X]
 (BANGERTER KENNETH R et al.) [X] 1,2,5 * column 1, line 23 - line 41 * * column 3, line 13 - line 31 * * claim 1 * * figure 1 *
Type:Patent literature
Publication No.:US2651530  [X]
 (BLYDENBURGH HAROLD L et al.) [X] 1,2,5 * column 1, line 18 - line 25 * * column 3, line 9 - column 4, line 13 * * figures 2,4 *