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公开(公告)号：US1902032A
公开(公告)日：1933-03-21
申请号：US55483631
申请日：1931-08-03
Applicant: MENGEL COMPANY
Inventor： IRVING HORINE
IPC: B27D1/00
CPC classification number: B27D1/005 , Y10T156/1025 , Y10T156/1077
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