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发明名称
Railway journal box seal
摘要
申请公布号
US2888279(A)
申请公布日期
1959.05.26
申请号
US19550530057
申请日期
1955.08.23
申请人
SUPER OIL SEAL MFG. CO., LIMITED
发明人
ROGERS GEORGE STANLEY
分类号
B61F15/22;F16J15/32
主分类号
B61F15/22
代理机构
代理人
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地址
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