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经营范围
发明名称
SEALING DEVICE
摘要
申请公布号
GB1213153(A)
申请公布日期
1970.11.18
申请号
GB19700021410
申请日期
1967.08.11
申请人
NORTH AMERICAN ROCKWELL CORPORATION
发明人
分类号
F16J15/14;F16K1/46
主分类号
F16J15/14
代理机构
代理人
主权项
地址
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