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公开(公告)号：US1587535A
公开(公告)日：1926-06-08
申请号：US61601223
申请日：1923-01-31
Applicant: JAMES LITCHFIELD
Inventor： JAMES LITCHFIELD
IPC: F02M25/022 , F02M63/00
CPC classification number: F02M63/00 , F02M25/0222 , F02M25/035 , F02M2700/05 , Y02T10/121
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