An elongated element (1) having a cross−sectional shape permitting the element to be interlocked with adjacent elements, the element having a basic square shape with interlocking members (4,6,8) on at least three sides of the element, wherein the proportions of the element and the interlocking members are such that the elements can be interlocked in side by side and/or overlapping relationship.
申请公布号
WO03064773(A1)
申请公布日期
2003.08.07
申请号
WO2003AU00106
申请日期
2003.02.03
申请人
MACDONALD, CHRISTOPHER, GERARD;VON BERTOUCH, GARRY, ROBERT
发明人
MACDONALD, CHRISTOPHER, GERARD;VON BERTOUCH, GARRY, ROBERT