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 BE705876A - - Google Patents
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US499799Aexternal-prioritypatent/US3390944A/en
Priority claimed from FR126246Aexternal-prioritypatent/FR1542050A/fr
Application filedfiledCritical
Publication of BE705876ApublicationCriticalpatent/BE705876A/fr