Category:CLC U442
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Chinese Library Classification
A Marxism, Leninism, Mao Zedong Thought and Deng Xiaoping Theory ·
B Philosophy, Religion ·
C General Social Sciences ·
D Politics, Law ·
E Military ·
F Economics ·
G Culture, Science, Education, Sports ·
H Language, Writing ·
I Literature ·
J Art ·
K History and Geography ·
N General Natural Sciences ·
O Mathematical Sciences and Chemistry ·
P Astronomy and Earth Sciences ·
Q Biological Sciences ·
R Medicine, Health ·
S Agricultural Sciences ·
T Industrial Technology ·
U Transportation ·
V Aviation and Aerospace ·
X Environmental Science, Safety Science ·
Z General Books
U-* general theory of transportation ·
U-40 ·
U-49 ·
U-9 transport economy ·
U1 Comprehensive Transportation ·
U2 Railway Transportation ·
U4 Road Transport ·
U6 Waterway Transportation ·
U8 Aviation Transportation
U4-092 ·
U4-61 ·
U4-62 ·
U4-65 ·
U4-9 highway transportation economy ·
U41 Road Engineering ·
U44 Bridge and Culvert Engineering ·
U45 Tunnel Engineering ·
U46 Automotive Engineering ·
U47 ·
U48 Other Road Transport Vehicles ·
U49 Transportation Engineering and Road Transport Technology Management
U44-092 ·
U442 ·
U443 ·
U444 ·
U445 ·
U448 ·
U449
U442.5
Subcategories
This category has only the following subcategory.
