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经营范围
发明名称
Track lubricator
摘要
申请公布号
US2237312(A)
申请公布日期
1941.04.08
申请号
US19390300828
申请日期
1939.10.23
申请人
POOR & COMPANY
发明人
OVERMIER EMMONS;RODMAN THOMAS E.;BATES SIDNEY E.
分类号
B61K3/00
主分类号
B61K3/00
代理机构
代理人
主权项
地址
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