Subject list of works on mineral industries in the library of the Patent office ...
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| Format: | Book |
| Language: | English |
| Published / Created: |
London :
Printed for H. M. Stationery off., by Darling & son, ltd.,
1912.
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| Subjects: | |
| Notes: | Physical description: 3 v. ; 17 cm. (small and 8vo) |