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公开(公告)号:US1258321A
公开(公告)日:1918-03-05
申请号:US12001216
申请日:1916-09-14
Applicant: DIAMOND MATCH CO
Inventor: CRUSER FREDERICK VAN DYKE , HOWARD OLIVER Z
CPC classification number: A01C23/042 , B01F1/0016
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2.
公开(公告)号:US1258334A
公开(公告)日:1918-03-05
申请号:US12001316
申请日:1916-09-14
Applicant: DIAMOND MATCH CO
Inventor: HOWARD OLIVER Z
CPC classification number: B01F11/0054
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