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公开(公告)号：US1523181A
公开(公告)日：1925-01-13
申请号：US64069823
申请日：1923-05-22
Applicant: FLOYD CLYMER
Inventor： DUGGER CLIFFORD A
IPC: F01P11/02
CPC classification number: F01P11/0276 , Y10T137/6888
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