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公开(公告)号:CA662586A
公开(公告)日:1963-05-07
申请号:CA662586D
Applicant: B B CHEM CO CANADA
Inventor: JOHNSON ERIC C , CLARKE ROBERT D
公开(公告)号:CA662586A
公开(公告)日:1963-05-07
申请号:CA662586D
Applicant: B B CHEM CO CANADA
Inventor: JOHNSON ERIC C , CLARKE ROBERT D