| 摘要 |
PCT No. PCT/FR95/00136 Sec. 371 Date Mar. 28, 1996 Sec. 102(e) Date Mar. 28, 1996 PCT Filed Feb. 3, 1995 PCT Pub. No. WO95/33102 PCT Pub. Date Dec. 7, 1995Device for a lavatory cistern including: a) a flush valve opened by the lowering of a horizontal cam (13) pushing on a horizontal valve (11) which separates a ball (10) from its sealing seat; and b) a dual flushing volume mechanism, with an emptying tube (25) carrying a base floater (31), an intermediate floater (32) and, at its upper portion, a horizontal projecting element (33) which is optionally locked in its ascending stroke according to whether a weak or heavy flushing is selected.
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