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公开(公告)号:US2890988A
公开(公告)日:1959-06-16
申请号:US62422056
申请日:1956-11-26
申请人: MIKULAS BURGER , KAREL BERAN , ZDENEK FENCL
发明人: MIKULAS BURGER , KAREL BERAN , ZDENEK FENCL
CPC分类号: C12N9/2408 , A23K10/10 , C12F3/00 , C12N1/005 , C12P7/48 , C12P19/14 , C12Y302/0102 , Y10S435/918