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经营范围
发明名称
PASSIVATION TREATMENT
摘要
申请公布号
GB8712928(D0)
申请公布日期
1987.07.08
申请号
GB19870012928
申请日期
1987.06.02
申请人
BRITISH PETROLEUM CO PLC
发明人
分类号
C04B35/573;C04B41/00;(IPC1-7):C04B41/80
主分类号
C04B35/573
代理机构
代理人
主权项
地址
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