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发明名称
TUBI PER IRRIGAZIONE A PRESSIONE DIFFERNZIATA E PROCEDIMENTO DI COSTRUZIONE
摘要
申请公布号
IT1126979(B)
申请公布日期
1986.05.21
申请号
IT19800048125
申请日期
1980.03.11
申请人
DI PAOLA FRANCESCO
发明人
DI PAOLA FRANCESCO
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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