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  • [发明专利]US19780961925 _ PLASS, VERNON F. 1978年11月20日
    An apparatus is disclosed for generating combustible gas from cellulosic fiber material. A gas production chamber contains an inclined support chute having a grate perforated with alternately angled ports for admission of a controlled amount of air th...
  • [发明专利]US19780879069 _ ARVIN IND INC 1978年02月21日
    A fireplace heat exchanger grate comprising an inlet manifold, an outlet manifold and a plurality of heat exchanger tubes or pipes providing communication between the inlet and outlet manifolds. First and second duct sections are in open communication...
  • [发明专利]US19780960750 _ HAGUE INTERNATIONAL 1978年11月15日
    A primary combustion chamber is located above a secondary combustion chamber with a support grate between the two for supporting particulate solid waste fuel to be burned efficiently. Primary air is introduced to the primary combustion chamber with se...
  • [发明专利]US19780938080 _ PAULI, BALDUIN L. 1978年08月30日
    A step grate including feeding means, distributor, step grate elements and combustion grate, comprising a stationary flat grate on which the distributor acts, and at least one further flat grate associated therewith on which a further distributor acts...
  • 5.
    [发明专利]JP19780086943 _ DOMAE CHIKURO KOGYO KK 1978年07月17日
  • 6.
    [发明专利]JP19780120615 _ 1978年09月29日
  • 7.
    [发明专利]JP19780036260U _ 1978年03月22日
  • 8.
    [发明专利]JP19780026735U _ 1978年02月28日
  • 9.
    [发明专利]JP19780159482U _ 1978年11月21日
  • [发明专利]JP19780128068 _ HITACHI METALS LTD 1978年10月18日
    PURPOSE:To restrain a leakage thru a penetrating hole and prevent damages for a driving portion and a stain below a furnace by making a revolving radius of a vane with sweep back angle, provided on a rotatable root-cup covering the penetrating hole at...
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