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公开(公告)号：US1668374A
公开(公告)日：1928-05-01
申请号：US21670527
申请日：1927-08-31
Applicant: TOMNEY MCILRAITH THOMAS
Inventor： TOMNEY MCILRAITH THOMAS
IPC: F01L1/12
CPC classification number: F01L1/12
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