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发明名称
摘要
申请公布号
NL6808442(A)
申请公布日期
1969.08.07
申请号
NL19680008442
申请日期
1968.06.14
申请人
发明人
分类号
F16L5/00;F16L41/02;F16L41/08;(IPC1-7):F16L/
主分类号
F16L5/00
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代理人
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