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发明名称
摘要
申请公布号
SE321125(B)
申请公布日期
1970.02.23
申请号
SE19640015586
申请日期
1964.12.23
申请人
BARR V
发明人
BARR V
分类号
F16L19/00;F16L21/04;(IPC1-7):F16L21/04
主分类号
F16L19/00
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代理人
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