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公开(公告)号:CA477416A
公开(公告)日:1951-10-02
申请号:CA477416D
Applicant: B B CHEM CO CANADA
Inventor: TEPPEMA JAN , MANNIN JOSEPH FRANCIS
公开(公告)号:CA477416A
公开(公告)日:1951-10-02
申请号:CA477416D
Applicant: B B CHEM CO CANADA
Inventor: TEPPEMA JAN , MANNIN JOSEPH FRANCIS