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发明名称
摘要
申请公布号
FR2315053(B1)
申请公布日期
1982.04.23
申请号
FR19760018161
申请日期
1976.06.15
申请人
EKMAN RONNY
发明人
分类号
F16L37/22;F16L37/00;F16L37/23;F16L37/28;F16L37/32;F16L37/34;(IPC1-7):F16L37/28
主分类号
F16L37/22
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代理人
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地址
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