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公开(公告)号:AU498055B2
公开(公告)日:1979-02-01
申请号:AU1977576
申请日:1976-11-18
Applicant: ESB INC
Inventor: MEGAHED EL SAYED , SPELLMAN PARRICK
公开(公告)号:AU498055B2
公开(公告)日:1979-02-01
申请号:AU1977576
申请日:1976-11-18
Applicant: ESB INC
Inventor: MEGAHED EL SAYED , SPELLMAN PARRICK