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1by Langley, Billy C., 1931-Subjects: “...Refrigeration and refrigerating machinery....”
Published 1978
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2by Langley, Billy C., 1931-Subjects: “...Refrigeration and refrigerating machinery Maintenance and repair....”
Published 2002
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3by Langley, Billy C., 1931-Subjects: “...Refrigeration and refrigerating machinery Electric equipment....”
Published 2000
Book -
4by Langley, Billy C., 1931-Subjects: “...Refrigeration and refrigerating machinery Maintenance and repair....”
Published 1980
Book