DIN EN 772-2:2005 Methods of test for masonry units - Part 2: Determination of percentage area of voids in masonry units (by paper indentation); German version EN 772-2:1998 + A1:2005
The document specifies a method of determining the percentage area of voids in aggreate concrete masonry units.
DIN EN 772-2:2005 history
2005DIN EN 772-2:2005-05 Methods of test for masonry units - Part 2: Determination of percentage area of voids in masonry units (by paper indentation); German version EN 772-2:1998 + A1:2005
2005DIN EN 772-2:2005 Methods of test for masonry units - Part 2: Determination of percentage area of voids in masonry units (by paper indentation); German version EN 772-2:1998 + A1:2005
1970DIN EN 772-2:1998 Methods of test for masonry units - Part 2: Determination of percentage area of voids in masonry units (by paper indentation)