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发明名称
Rail joint oiler
摘要
申请公布号
US1886736(A)
申请公布日期
1932.11.08
申请号
US19270170293
申请日期
1927.02.23
申请人
O. F. JORDAN COMPANY
发明人
PROTZELLER HARRY W.
分类号
B61K3/02
主分类号
B61K3/02
代理机构
代理人
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地址
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