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经营范围
发明名称
Improvements in packing materials for stuffing boxes
摘要
申请公布号
GB642379(A)
申请公布日期
1950.08.30
申请号
GB19470006163
申请日期
1947.03.04
申请人
BRITISH CELANESE LIMITED
发明人
分类号
F16J15/20
主分类号
F16J15/20
代理机构
代理人
主权项
地址
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