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1.Geiger-muller tube with window and internal helix 失效
Title translation: GEIGER-MULLER TUBE WITH WINDOW和INTERNAL HELIX公开(公告)号:US3430086A
公开(公告)日:1969-02-25
申请号:US3430086D
申请日:1965-02-24
Applicant: PHILIPS CORP
Inventor: MACKINTOSH IAN WILLIAM
CPC classification number: H01J47/08