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公开(公告)号：US3409196A
公开(公告)日：1968-11-05
申请号：US51150165
申请日：1965-12-03
Applicant: CONS ELECTRODYNAMICS CORP
Inventor： BROWN RICHARD P , ARTHUR RAK
IPC: G03B21/50
CPC classification number: G03B21/50
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