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公开(公告)号：US1460041A
公开(公告)日：1923-06-26
申请号：US49839021
申请日：1921-09-03
Applicant: GEORGE P SMITH , ROGER E DICKINSON , ALBERT C MENGES , ROBERT L CARR
Inventor： SMITH THOMAS C
IPC: F02F3/00
CPC classification number: F02F3/0023 , F05C2201/0448
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