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1.发明授权
公开(公告)号：US1426854A
公开(公告)日：1922-08-22
申请号：US33369519
申请日：1919-10-27
Applicant: JOHN COCKERILL SA
Inventor： TOUSSAINT GENDARME
IPC: F01L1/28
CPC classification number: F01L1/28
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