Energy conservation program guide industry and commerce : supplement - 1 : NBS handbook No. - 115
Energy conservation program guide industry and commerce : supplement - 1 : NBS handbook No. - 115
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- Washington, D.C. NBS 1975
- var. pags.
- NBS HB 115 : suppl. - 1 : 1975 .
LNBS HB 115 : suppl. - 1 : 1975
LNBS HB 115 : suppl. - 1 : 1975