Jump to content

Talk:Petryanov filter

Page contents not supported in other languages.
From Wikipedia, the free encyclopedia

the official date of Sorbent JSC foundation is August 26, 1939

1959;Production of Petryanov's filtering cloth

http://en.sorbent.su/about/history/ 50.254.21.211 (talk) 02:15, 1 September 2020 (UTC)[reply]