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经营范围
发明名称
Packing or sealing rings for shafts
摘要
申请公布号
GB818130(A)
申请公布日期
1959.08.12
申请号
GB19570036084
申请日期
1957.11.20
申请人
ALBERT KLEIN;EMMA BACH
发明人
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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