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PLANAR ELECTROMAGNETIC TRANSDUCER

申请公布号:EP0707782(A1)

申请号:EP19930910886

申请日期:1993.04.29

申请公布日期:1996.04.24

申请人:
CHAIN REACTIONS, INC.

发明人:STEVENSON, CHARLES, C., G.;PORRAZZO, EDWARD, M.

分类号:H04R7/10;H04R7/06;(IPC1-7):H04R25/00;H04R3/00

主分类号:H04R7/10

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