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公开(公告)号:CA566814A
公开(公告)日:1958-12-02
申请号:CA566814D
Applicant: SHELL DEV
Inventor: ZUIDERWEG FREDERIK J , VERBURG HENDRIK
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公开(公告)号:CA566814A
公开(公告)日:1958-12-02
申请号:CA566814D
Applicant: SHELL DEV
Inventor: ZUIDERWEG FREDERIK J , VERBURG HENDRIK