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 AU236658B2 - Method and apparatus for making prestressed pipes of concrete or similar material
- Google Patents
AU236658B2 - Method and apparatus for making prestressed pipes of concrete or similar material
- Google Patents
Method and apparatus for making prestressed pipes of concrete or similar material
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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lock Joint Pipe Co
Original Assignee
Lock Joint Pipe Co
Filing date
Publication date
Application filed by Lock Joint Pipe CofiledCriticalLock Joint Pipe Co
Application grantedgrantedCritical
Publication of AU5965960ApublicationCriticalpatent/AU5965960A/en
Publication of AU236658B2publicationCriticalpatent/AU236658B2/en