Book
Description
![B149.1:20 and B149HB:20 eBook bundle](http://epubs.csa.ca/Guide/Covers/frontcover_9488.jpg)
B149.1:20 and B149HB:20 eBook bundle
This interactive standard contains the CSA B149.1:20 Natural gas and propane installation code, integrated directly with CSA B149HB:20 Natural gas and propane code handbook. ePub v1.0