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发明名称
Improvements in or relating to the manufacture of compression rings
摘要
申请公布号
GB1149839(A)
申请公布日期
1969.04.23
申请号
GB19680026993
申请日期
1966.05.20
申请人
RAMSEY CORPORATION
发明人
HERBERT FREDERICK PRASSE(62)1133753
分类号
F16J9/26
主分类号
F16J9/26
代理机构
代理人
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地址
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