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公开(公告)号：US2265419A
公开(公告)日：1941-12-09
申请号：US38293441
申请日：1941-03-12
Applicant: IBM
Inventor： SAMUEL BRAND , OTTO WEITMANN , MACKENZIE KENNETH J
IPC: C09D11/00
CPC classification number: C09D11/52
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