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
Application number
CA649698A
Inventor
Nishimatsu Yukio
Lockheed Robert
Yamane Saburo
Harada Kyoe
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.)
Kurashiki Rayon Co Ltd
Airco Inc
Original Assignee
Kurashiki Rayon Co Ltd
Air Reduction Co Inc
Publication date
Application grantedgrantedCritical
Publication of CA649698ApublicationCriticalpatent/CA649698A/en