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公开(公告)号：JPS6192991A
公开(公告)日：1986-05-10
申请号：JP15436485
申请日：1985-07-15
Applicant: Conoco Inc
Inventor： MAMUDOUU EMU SARAMA
CPC classification number: E02B17/003 , B63B21/502 , D07B1/12 , F16L9/12
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