Deprecated: The each() function is deprecated. This message will be suppressed on further calls in /home/zhenxiangba/zhenxiangba.com/public_html/phproxy-improved-master/index.php on line 456 AU152909B2 - Improvements in or relating; to concrete floor or roof construction using precast units or elements
- Google Patents
AU152909B2 - Improvements in or relating; to concrete floor or roof construction using precast units or elements
- Google Patents
Improvements in or relating; to concrete floor or roof construction using precast units or elements
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
AU38847/50A
Filing date
Publication of AU152909B2publicationCriticalpatent/AU152909B2/en
AU38847/50A1950-12-22Improvements in or relating; to concrete floor or roof construction using precast units or elements
Expired - LifetimeAU152909B2
(en)