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公开(公告)号：US3399638A
公开(公告)日：1968-09-03
申请号：US64846267
申请日：1967-06-23
Applicant: AMCHEM PROD
Inventor： WALDRUM JOHN E , BISHOP PAUL W
IPC: A01M7/00
CPC classification number: A01M7/0089 , Y10S239/17
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