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公开(公告)号:CA628792A
公开(公告)日:1961-10-10
申请号:CA628792D
Applicant: B B CHEM CO CANADA
Inventor: PECK SUMNER H , SYLVESTER EDWIN E
公开(公告)号:CA628792A
公开(公告)日:1961-10-10
申请号:CA628792D
Applicant: B B CHEM CO CANADA
Inventor: PECK SUMNER H , SYLVESTER EDWIN E