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  • [发明专利]US19770845623 _ VYR-METODER AB 1977年10月26日
    A procedure for separating and recovering marsh gas from bog mud. The marsh gas is separated from the mud by conducting the mud into a separating space carrying a pressure lower than the pressure prevailing in the bog, and from which said space the ga...
  • [发明专利]US19770791013 _ AJINOMOTO CO., INC. 1977年04月26日
    The present invention relates to a newly found thermostable cellulase of Sporotrichum cellulophilum and a method for producing the same.
  • [发明专利]US19770812144 _ ANDERSON, JAY 1977年07月01日
    A method is provided for washing the inside of an organic digester of the type having a rotatable roof member. The method includes supporting the roof member, with pressurized gas excluding oxygen, rotating the roof member, spraying water on the inter...
  • [发明专利]JP19770038579 _ MARUBISHI RIKA SOCHI KENKYUSHO 1977年04月06日
  • [发明专利]GB19770039329 _ BAYER AG 1977年09月21日
  • [发明专利]GB19770033386 _ EASTMAN KODAK CO 1977年08月09日
  • 7.
    [发明专利]FR19770001463 _ NOVO INDUSTRI AS 1977年01月19日
  • 8.
    [发明专利]DE19772715326 _ MCDONNELL DOUGLAS CORP., LONG BEACH, CALIF. (V.ST.A.) 1977年04月01日
  • [发明专利]DE19772723334 _ UOP INC. 1977年05月24日
  • [发明专利]US19770817748 _ DYNATECH HOLDINGS LTD 1977年07月21日
    A microtest plate is characterized by a tray conveniently moulded of foam plastics, having a multiplicity of compartments and a multiplicity of individual wells fitted into the compartments, at least some of the wells preferably being moulded integral...
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