US researchers invent first battery-free cellphone
| Publicat a: | Manila Bulletin Vol. 535, no. 09 (09 Jul. 2017), 1+ |
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| Autor principal: | |
| Format: | Article |
| Publicat: |
2017
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| Matèries: |
| Publicat a: | Manila Bulletin Vol. 535, no. 09 (09 Jul. 2017), 1+ |
|---|---|
| Autor principal: | |
| Format: | Article |
| Publicat: |
2017
|
| Matèries: |