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  • [发明专利]JP19810201730 _ WESTINGHOUSE ELECTRIC CORP 1981年12月16日
    A mechanical spectral shift reactor comprises a reactive core (34) having fuel assemblies (32) accommodating both water displacer elements (40) and neutron absorbing control rods for selectively changing the volume of water-moderator in the core (34)....
  • 2.
    [发明专利]JP19810153763 _ TOKYO SHIBAURA ELECTRIC CO 1981年09月30日
  • 3.
    [发明专利]JP19810122366 _ KRAFTWERK UNION AG 1981年08月04日
    Manipulator for positioning a tube probe at tube mouths of heat-exchanger tubes by remote-control of the tube probe which is connected to a flexible supply line for inspecting and/or repairing the heat-exchanger tubes, the tube mouths being disposed i...
  • 4.
    [发明专利]JP19810160020 _ ALKEM GMBH 1981年10月07日
    Mechanism for stepwise adjustment of the distance between a primary element, attached to one part of a chair, and a secondary element attached to another part, characterized by: (a) two stop slides mounted on the primary element to slide in the direct...
  • 5.
    [发明专利]JP19810086584U _ 1981年06月12日
  • 6.
    [发明专利]JP19810048216 _ 1981年03月31日
    PURPOSE:To enable to perform a high-reliable and quantitative measurement of a distance among all fuel elements, by a method wherein an oscillating angle of an oscillating measureing lever, mounted between the fuel elements, is detected through the wo...
  • [发明专利]JP19810107054 _ NIPPON GENSHIRYOKU KENKYUSHO 1981年07月10日
  • [发明专利]JP19810119746 _ HITACHI SEISAKUSHO KK 1981年07月29日
  • 9.
    [发明专利]JP19810029874U _ 1981年03月04日
  • [发明专利]JP19810205132 _ CHIYUUBU DENRIYOKU KK 1981年12月21日
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