| 摘要 |
PCT No. PCT/FR91/00930 Sec. 371 Date May 21, 1993 Sec. 102(e) Date May 21, 1992 PCT Filed Nov. 22, 1991 PCT Pub. No. WO92/09373 PCT Pub. Date Jun. 11, 1992An ultrasonic fluid spraying device including an electroacoustic converter; optionally at least one coupling rod element; a spraying device provided as a radial collar projecting outwards from an axial element with which it is integral, and tuned to the frequency of the converter; and devices for supplying the fluid to the immediate vicinity of an operative area of the spraying device.
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