保存成功
保存失败
公开(公告)号:EP0404778A4
公开(公告)日:1991-09-11
申请号:EP89901798
申请日:1989-01-03
申请人: LTV AEROSPACE AND DEFENSE COMPANY (A DELAWARE CORPORATION)
发明人: REINAGEL, FREDERICK, GERARD
IPC分类号: H03L7/06 , H03B9/10 , H04B1/04
CPC分类号: H03B9/10