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1.
公开(公告)号:US3287911A
公开(公告)日:1966-11-29
申请号:US32819763
申请日:1963-12-05
Applicant: ALFRED KLEIN
Inventor: ALFRED KLEIN
IPC: C06D5/10
CPC classification number: C06D5/10
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公开(公告)号:US3372107A
公开(公告)日:1968-03-05
申请号:US33832764
申请日:1964-01-17
Applicant: ALFRED KLEIN
Inventor: ALFRED KLEIN
IPC: C25B11/04
CPC classification number: C25B11/04
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公开(公告)号:US3210262A
公开(公告)日:1965-10-05
申请号:US10444761
申请日:1961-04-20
Applicant: ALFRED KLEIN
Inventor: ALFRED KLEIN
IPC: C02F1/76
CPC classification number: C02F1/763 , Y10T137/2526
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公开(公告)号:US1547048A
公开(公告)日:1925-07-21
申请号:US66696223
申请日:1923-10-06
Applicant: ALFRED KLEIN
Inventor: ALFRED KLEIN
IPC: E05F11/00
CPC classification number: E05F11/00 , E05F2700/04 , E05Y2900/148 , Y10T292/1087 , Y10T292/223
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