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公开(公告)号：US3536409A
公开(公告)日：1970-10-27
申请号：US3536409D
申请日：1968-02-21
Applicant: US AGRICULTURE
Inventor： BELSER RICHARD B , MEADERS JAMES C , KWON CHIN T
IPC: D06H3/08 , G01N21/898 , G01N21/32
CPC classification number: G01N21/8983 , D06H3/08 , G01N2201/0813
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