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公开(公告)号：JPS57100308A
公开(公告)日：1982-06-22
申请号：JP16357381
申请日：1981-10-15
Applicant: SUNDSTRAND DATA CONTROL
Inventor： HARU RIU
IPC: G01C9/00 , E21B47/022 , G01B21/20
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