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公开(公告)号：US3249225A
公开(公告)日：1966-05-03
申请号：US17228362
申请日：1962-02-09
Applicant: LITTON SYSTEMS INC
Inventor： STUETZER OTMAR M , SUTTON ALLEN M
IPC: B03C7/00
CPC classification number: B03C7/00
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