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经营范围
发明名称
PIPE COUPLINGS PROVIDED WITH A SWIVEL BALL VALVE
摘要
申请公布号
EP0087331(B1)
申请公布日期
1986.08.13
申请号
EP19830400162
申请日期
1983.01.24
申请人
FREMY, RAOUL
发明人
FREMY, RAOUL
分类号
F16L29/00;F16L37/00;F16L37/28;F16L37/40;F16L37/47;(IPC1-7):F16L37/28
主分类号
F16L29/00
代理机构
代理人
主权项
地址
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