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经营范围
发明名称
Improvements in bearing seals
摘要
申请公布号
GB635828(A)
申请公布日期
1950.04.19
申请号
GB19460031274
申请日期
1946.10.21
申请人
LE JOINT FRANCAIS
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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