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公开(公告)号:US3274085A
公开(公告)日:1966-09-20
申请号:US27549763
申请日:1963-04-25
Applicant: ALUMINUM CO OF AMERICA
Inventor: RUTEMILLER HERBERT C , MONTGOMERY ALLEN M
公开(公告)号:US3274085A
公开(公告)日:1966-09-20
申请号:US27549763
申请日:1963-04-25
Applicant: ALUMINUM CO OF AMERICA
Inventor: RUTEMILLER HERBERT C , MONTGOMERY ALLEN M