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经营范围
发明名称
SLIDE RING SEAL
摘要
申请公布号
GB8701079(D0)
申请公布日期
1987.02.18
申请号
GB19870001079
申请日期
1987.01.19
申请人
OY SAFEMATIC LTD
发明人
分类号
F16J15/34
主分类号
F16J15/34
代理机构
代理人
主权项
地址
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