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公开(公告)号：US1626814A
公开(公告)日：1927-05-03
申请号：US6775925
申请日：1925-11-09
Applicant: ESS LAB INC VAN
Inventor： GOODALL FRED E
CPC classification number: A61K8/922 , A61K8/31 , A61K8/925 , A61K2800/81 , A61Q19/00
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