Lamps, electric, incandescent, large, tungsten, filament.
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| Corporate Authors: | , |
|---|---|
| Format: | Government Document Book |
| Language: | English |
| Published: |
Washington [D.C.] :
U.S. G.P.O.,
1929.
|
| Edition: | Rev. |
| Series: | United States government master specification ;
no. 23c. |
| Subjects: |