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发明名称
METODO PER LA FABBRICAZIONE DI TUBI DI RACCORDO A SEZIONE QUADRA PER IL COLLEGAMENTO GRONDAIA PLUVIALI
摘要
申请公布号
IT1103204(B)
申请公布日期
1985.10.14
申请号
IT19780012001
申请日期
1978.01.02
申请人
VALMORI ANTONIO
发明人
分类号
B21C;(IPC1-7):B21C/
主分类号
B21C
代理机构
代理人
主权项
地址
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