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公开(公告)号：US1526504A
公开(公告)日：1925-02-17
申请号：US38337120
申请日：1920-05-22
Applicant: ISAAC RABI ISIDOR
Inventor： ISAAC RABI ISIDOR
IPC: G01J3/14
CPC classification number: G01J3/14 , Y10T16/209
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