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经营范围
发明名称
Means for draining oil from crank cases
摘要
申请公布号
US1929694(A)
申请公布日期
1933.10.10
申请号
US19280320188
申请日期
1928.11.17
申请人
JUDSON JR WILLIAM L
发明人
JR. WILLIAM L. JUDSON,
分类号
F01M11/04
主分类号
F01M11/04
代理机构
代理人
主权项
地址
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