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公开(公告)号:CA666767A
公开(公告)日:1963-07-16
申请号:CA666767D
Applicant: B B CHEM CO CANADA
Inventor: COWAN JAMES R JR , TOBIN DONALD , WEIDMAN RICHARD A
公开(公告)号:CA666767A
公开(公告)日:1963-07-16
申请号:CA666767D
Applicant: B B CHEM CO CANADA
Inventor: COWAN JAMES R JR , TOBIN DONALD , WEIDMAN RICHARD A