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公开(公告)号：CA1222541A
公开(公告)日：1987-06-02
申请号：CA459265
申请日：1984-07-19
Applicant: SHIELD SOURCE INC
Inventor： WATTS DAVID J
Abstract: SELF-LUMINOUS LIGHT SOURCE A self-luminous light source is disclosed having a light-permeable shell, a body disposed within the shell, defining a space between the shell and body, a member connecting the shell and body, radioactive gas disposed in the space, and a phosphor coating on at least one surface of the shell and body. The shell and body may be coaxial glass tubes defining an annular spa of of restricted width, connected to one another by annular end members.
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