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Spectral characteristics of grinding sparks used for identification of scrap metals /
I tiakina i:
| Kaituhi matua: | |
|---|---|
| Ētahi atu kaituhi: | , |
| Hōputu: | Pukapuka |
| Reo: | Ingarihi |
| I whakaputaina: |
[Avondale, Md.] :
U.S. Dept. of the Interior, Bureau of Mines,
1985.
|
| Rangatū: | Report of investigations (United States. Bureau of Mines) ;
8932. |
| Ngā marau: | |
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