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  • [发明专利]US19730395013 _ WRIGHT, H. DUDLEY 1973年09月07日
    Air containing a pollutant, such as hydrogen sulfide, sulfur dioxide or an organic compound such as a mercaptan, an aldehyde, an amine, an alcohol, and the like, is contacted with a liquid impermeable module or cell having as a surface thereof a liqui...
  • [发明专利]US19730370086 _ BETZ LABORATORIES, INC. 1973年06月14日
    The present invention relates to certain processes and compositions useful for inhibiting the growth of slime in water and, in particular, water used for industrial purposes; for example, in the manufacture of pulp paper, in the manufacture of paper, ...
  • 3.
    [发明专利]JP19730126509 _ 1973年11月10日
  • 4.
    [发明专利]JP19730084585 _ 1973年07月28日
  • 5.
    [发明专利]JP19730029831 _ 1973年03月13日
  • 6.
    [发明专利]JP19730018726 _ 1973年02月15日
  • 7.
    [发明专利]JP19730117404 _ 1973年10月20日
  • [发明专利]GB19730006386 _ SHIPLEY CO INC 1973年02月09日
    1426643 Recovering copper values SHIPLEY CO Inc 9 Feb 1973 [9 Feb 1972] 6386/73 Heading C1A [Also in Division B6] An etchant comprising cupric ions, chloride or bromide ions, and a complexing agent capable of solubilizing the cupric ions is used to et...
  • [发明专利]FR19730027690 _ RENAULT ET PEUGEOT,FR 1973年07月27日
    The pretreatment of industrial effluents to separate the various phases of different density is performed in a tank with three sections. The first section contains between a perforated partition which prevents a counter flow, and a thermal partition, ...
  • 10.
    [发明专利]JP19730064229 _ 1973年06月05日
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