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公开(公告)号:US2255573A
公开(公告)日:1941-09-09
申请号:US31742040
申请日:1940-02-05
Applicant: EDWARD TIMIAN , JOEL TIMIAN
Inventor: EDWARD TIMIAN , JOEL TIMIAN
CPC classification number: A01J11/06
公开(公告)号:US2255573A
公开(公告)日:1941-09-09
申请号:US31742040
申请日:1940-02-05
Applicant: EDWARD TIMIAN , JOEL TIMIAN
Inventor: EDWARD TIMIAN , JOEL TIMIAN
CPC classification number: A01J11/06