TY  - BOOK
ED  - Sri Lanka standards institution
TI  - Specification for ball point pens (first revision): SLS 491 : 1994
T2  - Gr
U1  - B1495 
PY  - 1994///
CY  - Colombo
PB  - Sri Lanka standards institution
KW  - BOOKS BOX B1495
KW  - FACTORY TESTING
KW  - QUALITY CONTROL
KW  - SLC CERTIFICATION
KW  - SLS
KW  - SRI LANKA STANDARDA INSTITUTION
KW  - TEST METHODS
ER  -