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发明名称
PIPELOCK
摘要
申请公布号
GB8424991(D0)
申请公布日期
1984.11.07
申请号
GB19840024991
申请日期
1984.10.03
申请人
O'DONNELL & ASSOCIATES INC
发明人
分类号
F16L21/06;F16L55/16;F16L57/02
主分类号
F16L21/06
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