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公开(公告)号:US3500624A
公开(公告)日:1970-03-17
申请号:US3500624D
申请日:1968-04-25
申请人: LEV JUDELEVICH POLYAKOVSKY , IGOR VLADIMIROVICH KORNEV , LIDIA PETROVNA KOVAEVA , STANISLAV MARKOVICH BALANDIN
发明人: POLYAKOVSKY LEV JUDELEVICH , KORNEV IGOR VLADIMIROVICH , KOVAEVA LIDIA PETROVNA , BALANDIN STANISLAV MARKOVICH
CPC分类号: D01H4/12
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公开(公告)号:US3451207A
公开(公告)日:1969-06-24
申请号:US3451207D
申请日:1966-09-26
申请人: WOOL IND RES ASSOC
发明人: SHARP JOHN BEVERLEY
CPC分类号: D01H15/00
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