GAZETTE 285A7 1 of 2 The Standard ( Declaration of Standard Specification ( Jamaica Standard Specification for Standard Hollow Concrete Blocks) [ Revised] ) Notice, 2011 Page 1
GAZETTE 285A7 2 of 2 The Standard ( Declaration of Standard Specification ( Jamaica Standard Specification for Standard Hollow Concrete Blocks) [ Revised] ) Notice, 2011 Page 2