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公开(公告)号：US3088226A
公开(公告)日：1963-05-07
申请号：US18642062
申请日：1962-04-10
Applicant: WATTERSON CHARLES H , BRINKWORTH GAIL E
Inventor： WATTERSON CHARLES H , BRINKWORTH GAIL E
IPC: G01J3/52
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