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.)
Siemens Bauunion GmbH
Original Assignee
Siemens Bauunion GmbH
Publication date
Application grantedgrantedCritical
Publication of CA297643ApublicationCriticalpatent/CA297643A/fr