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公开(公告)号:US3438461A
公开(公告)日:1969-04-15
申请号:US3438461D
申请日:1965-12-01
Applicant: ALISTER G MACPHERSON
Inventor: MACPHERSON ALISTER G
公开(公告)号:US3438461A
公开(公告)日:1969-04-15
申请号:US3438461D
申请日:1965-12-01
Applicant: ALISTER G MACPHERSON
Inventor: MACPHERSON ALISTER G