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发明名称
Improvements relating to the joining and sealing of hollow members
摘要
申请公布号
CY299(A)
申请公布日期
1964.10.23
申请号
申请日期
1964.10.23
申请人
VEB INDUSTRIEWERKE KARL-MARX-STADT
发明人
分类号
F16L17/067;F16L23/22;(IPC1-7):F06L;F06J
主分类号
F16L17/067
代理机构
代理人
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