Patent AT-E187570-T1: [Translated] SOUND ABSORPTION ARRANGEMENT WITH ACTIVE DOUBLE WALL
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PCT No. PCT/FR94/00520 Sec. 371 Date Feb. 15, 1996 Sec. 102(e) Date Feb. 15, 1996 PCT Filed May 4, 1994 PCT Pub. No. WO94/27283 PCT Pub. Date Nov. 24, 1994An active...



