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发明名称
Spray oil penetration control
摘要
申请公布号
US2134136(A)
申请公布日期
1938.10.25
申请号
US19350024359
申请日期
1935.05.31
申请人
LINDSTAEDT FRANK F
发明人
LINDSTAEDT FRANK F.
分类号
主分类号
代理机构
代理人
主权项
地址
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