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公开(公告)号:US2813835A
公开(公告)日:1957-11-19
申请号:US56005956
申请日:1956-01-19
Applicant: SHELL DEV
Inventor: KENZIE NOZAKI
IPC: B01J27/04 , C07B35/04 , C07C13/48
CPC classification number: C07B35/04 , B01J27/04 , C07C13/48
公开(公告)号:US2666025A
公开(公告)日:1954-01-12
申请号:US9102249
申请日:1949-05-02
IPC: C08F2/02 , C08F2/46 , C08F2/48 , C08F20/50
CPC classification number: C08F2/46 , C08F20/50