Category:NDC9 5 Technology. Engineering

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Subcategories

This category has the following 10 subcategories, out of 10 total.

NDC9 50 Technology. Engineering (5 C)
NDC9 51 Construction. Civil engineering (5 C)
NDC9 52 Architecture. Building (6 C)
NDC9 53 Mechanical engineering (2 C)
NDC9 54 Electronic engineering (4 C)
NDC9 55 Maritime engineering (3 C)
NDC9 56 Metal and mining engineering (6 C)
NDC9 57 Chemical technology (1 C)
NDC9 58 Manufactures (4 C)
NDC9 59 Domestic arts and sciences (4 C)

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Books classified by Nippon Decimal Classification 9th Edition