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发明名称
SEAL APPARATUS FOR STEAMERS
摘要
申请公布号
GB1544574(A)
申请公布日期
1979.04.19
申请号
GB19770025170
申请日期
1977.06.16
申请人
SANDO IRON WORKS CO LTD
发明人
分类号
D06B23/16;(IPC1-7):F16J15/40
主分类号
D06B23/16
代理机构
代理人
主权项
地址
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