TY  - BOOK
AU  - Spencer,Henry Cecil
AU  - Dygdon,John T
AU  - Novak,James E.
TI  - Basic technical drawing
SN  - 0026825538
U1  - 604.2 23
PY  - 2000///
CY  - New York
PB  - Glencoe/McGraw-Hill
KW  - Mechanical drawing
KW  - Study and teaching (Elementary)
KW  - Study and teaching (Secondary)
KW  - Kỹ thuật đồ hoạ
KW  - Vẽ kỹ thuật
ER  -