2010JGJ/T 98-2010 Specification for mix proportion design of masonry mortar
2000JGJ 98-2000 Specification for mix proportion design of masonry mortar
1970JGJ/T 98-1996 Specification for mix proportion design of masonry mortar
JGJ 98-2000 Specification for mix proportion design of masonry mortar was changed to JGJ/T 98-2010 Specification for mix proportion design of masonry mortar .