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公开(公告)号：US1343532A
公开(公告)日：1920-06-15
申请号：US32623519
申请日：1919-09-25
Applicant: INTERNAT MFG COMPANY OF TEXAS
Inventor： THOMPSON ROBERT A , MORRIS LUTE P
IPC: A01J15/04
CPC classification number: A01J15/04
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