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发明名称
Journal box for railway equipment
摘要
申请公布号
US1907808(A)
申请公布日期
1933.05.09
申请号
US19290381273
申请日期
1929.07.26
申请人
SPRING PACKING CORPORATION
发明人
HERR JOHN D.;ROWE LAWRENCE A.
分类号
B61F17/06
主分类号
B61F17/06
代理机构
代理人
主权项
地址
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