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  • 1.
    [发明专利]JP19730103464 _ 1973年09月12日
  • 2.
    [发明专利]JP19730075486U _ 1973年06月27日
  • 3.
    [发明专利]JP19730110392 _ 1973年10月01日
  • [发明专利]FR19730046754 _ CHARPENTIER JEAN 1973年12月28日
    The machine has a central cylindrical vessel open at one end and closed at the other attached to a shaft free to rotate in supporting bearings. The cylindrical vessel has a number of radial tubes projecting from it each of which is turned over at its ...
  • [发明专利]USD3793698 _ GOINGS I,US 1973年01月08日
    The method disclosed involves installation of welding, machining, etc. apparatus on the turbine runner itself, the apparatus extending into close proximity to the turbine draft or discharge tube wall, and then mechanically rotating the turbine runner ...
  • [发明专利]US19730376941 _ SIEMENS AKTIENGESELLSCHAFT 1973年07月06日
    In an actuating mechanism for an electric switching apparatus such as an electric circuit breaker or the like there is provided first and second springs for respectively storing the energy needed for closing and the energy needed for opening the appar...
  • [发明专利]US19730399821 _ ROBERT BOSCH G.M.B.H. 1973年09月24日
    A radial piston machine wherein the cylinder block is automatically centered on a pintle wherein the high-pressure chamber is flanked by portions of two circumferentially complete sealing rings whose area is smaller than the area of sealing ring porti...
  • [发明专利]US19730420936 _ DANFOSS A/S 1973年12月03日
    The invention relates to a gerotar type rotary piston machine. The casing has a main axis and the gerotor gear set includes an internally toothed ring member with the teeth thereof in the form of rollers and an externally toothed star member which is ...
  • [发明专利]US19730415881 _ ROBERTSHAW CONTROLS COMPANY 1973年11月14日
  • [发明专利]US19730381077 _ LESSER, JEROME M. 1973年07月20日
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