528 CMRBoard of Pipefitters and Refrigeration Technicians Bookstore Help View Cart CMR 528 CMR 2.00, 3.00 & 11.00 Purpose, scope and definitions; Standards adopted; Prerequisites for Examinations for Pipefitters and Refrigeration Technicians and Sprinkler Systems. $1.75 + Add to Cart Refrigeration Pkg: 528 CMR 2.00, 3.00 & 11.00/522 CMR 9.00 Purpose, Scope & Definitions; Standards Adopted; Prerequisites for Examinations for Pipefitters and Refrigeration Technicians and Sprinkler Systems; Refrigeration and Air Conditioning Systems. $2.45 + Add to Cart
