Specification for engineering drawing practice : SLS 409 : 1977
Specification for engineering drawing practice : SLS 409 : 1977
- Colombo Bereau of Ceylon Standards 1977
- 69 p.
ENGINEERING DRAWING
ENGINEERING DRAWING PRACTICE
SLS 409
SLS 409: 1977
SLS 409: 1977
ENGINEERING DRAWING PRACTICE
SLS 409
ENGINEERING DRAWING
SRI LANKA STANDARDS
744:621.7 / SPE
ENGINEERING DRAWING
ENGINEERING DRAWING PRACTICE
SLS 409
SLS 409: 1977
SLS 409: 1977
ENGINEERING DRAWING PRACTICE
SLS 409
ENGINEERING DRAWING
SRI LANKA STANDARDS
744:621.7 / SPE