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公开(公告)号:US3360400A
公开(公告)日:1967-12-26
申请号:US11540761
申请日:1961-06-07
Applicant: AJEM LAB INC
Inventor: EVANS DEWEY M , KOEPKE FREDERICK W
IPC: B24C5/00
CPC classification number: B24C5/00
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2.
公开(公告)号:US3548543A
公开(公告)日:1970-12-22
申请号:US3548543D
申请日:1967-11-03
Applicant: AJEM LAB INC
Inventor: EVANS DEWEY M , KOEPKE FREDERICK W
CPC classification number: B24C5/00
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