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公开(公告)号:BR6800893U
公开(公告)日:1989-11-28
申请号:BR6800893
申请日:1988-04-26
Applicant: LIN CHENG HSIEN
Inventor: HSIEN LIN CHENG
公开(公告)号:BR6800893U
公开(公告)日:1989-11-28
申请号:BR6800893
申请日:1988-04-26
Applicant: LIN CHENG HSIEN
Inventor: HSIEN LIN CHENG