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公开(公告)号:US1891441A
公开(公告)日:1932-12-20
申请号:US34722629
申请日:1929-03-15
Applicant: CLEVELAND TRUST CO
Inventor: NORTON ALLEN B
IPC: F02F3/04
CPC classification number: F02F3/042 , F05C2201/021 , F05C2201/0448
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公开(公告)号:US2062625A
公开(公告)日:1936-12-01
申请号:US20645027
申请日:1927-07-18
Applicant: CLEVELAND TRUST CO
Inventor: NORTON ALLEN B
CPC classification number: F02F3/025 , F02F3/047 , F05C2201/021 , F05C2201/0448
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公开(公告)号:US2046789A
公开(公告)日:1936-07-07
申请号:US68313433
申请日:1933-08-01
Applicant: CLEVELAND TRUST CO
Inventor: NORTON ALLEN B
CPC classification number: F16J1/04 , F02F3/025 , F05C2201/021
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公开(公告)号:US1853450A
公开(公告)日:1932-04-12
申请号:US5174825
申请日:1925-08-22
Applicant: CLEVELAND TRUST CO
Inventor: NORTON ALLEN B
IPC: F02F3/02
CPC classification number: F02F3/027 , F05C2201/021
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