Specification for creosote and athracene oil for use as wood preservatives (revised) IS 218 - 1961
ISI
Specification for creosote and athracene oil for use as wood preservatives (revised) IS 218 - 1961 - 1961
ISI
Specification for creosote and athracene oil for use as wood preservatives (revised) IS 218 - 1961 - 1961
ISI