IP standards for petroleum and its products.

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Item Link Original Source
Limited (search only)   1960:2 University of Wisconsin - Madison
Limited (search only)   1961:3 University of Wisconsin - Madison
Limited (search only)   1962:1 University of Wisconsin - Madison
Limited (search only)   1962:4 University of California
Limited (search only)   1963:4 University of Wisconsin - Madison
Limited (search only)   1988:1:1 University of Illinois at Urbana-Champaign
Limited (search only)   1988:1:2 University of Illinois at Urbana-Champaign