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公开(公告)号：US1492121A
公开(公告)日：1924-04-29
申请号：US52599021
申请日：1921-12-30
Applicant: DIAMOND MATCH CO
Inventor： CRUSER FREDERICK V D , CLEMENS HAFERKAMP CARL
IPC: C25B9/06
CPC classification number: C25B9/06
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