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公开(公告)号：US2983449A
公开(公告)日：1961-05-09
申请号：US56882956
申请日：1956-03-01
Applicant: CALIFORNIA RESEARCH CORP
Inventor： CURTIS DREYER , HARRISON EUGENE E , MILTON LUDWIG
IPC: C09K5/08
CPC classification number: C09K5/08
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