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发明名称
Conduit with variable cross section for fluids in general
摘要
申请公布号
IT1236005(B)
申请公布日期
1992.12.15
申请号
IT19890005220
申请日期
1989.10.20
申请人
PICCININI GIUSEPPE
发明人
PICCININI GIUSEPPE
分类号
F16L;(IPC1-7):F16L/
主分类号
F16L
代理机构
代理人
主权项
地址
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