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发明名称
Improvements in or relating to shaft sealing means
摘要
申请公布号
GB421880(A)
申请公布日期
1935.01.01
申请号
GB19340011801
申请日期
1934.04.19
申请人
EVANS APPLIANCE COMPANY
发明人
分类号
F02M37/04;F02M59/00
主分类号
F02M37/04
代理机构
代理人
主权项
地址
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