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公开(公告)号：US3380310A
公开(公告)日：1968-04-30
申请号：US37199064
申请日：1964-06-02
Applicant: GEN DYNAMIES CORP
Inventor： DI TOMMASO ANTHONY , MARTIN WALTER C , MCKOWN DANIEL C
IPC: G01C19/02
CPC classification number: G01C19/025 , Y10T74/1218
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