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 BE353723A - - Google Patents
Device for the realisation of book or note-book shaped file-holders capable of allowing the insertion and extraction of paper sheets or booklets and/or documents