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发明名称
SCREW PUMP
摘要
申请公布号
US3667879(A)
申请公布日期
1972.06.06
申请号
USD3667879
申请日期
1970.02.10
申请人
ORAZIO CERPELLI
发明人
ORAZIO CERPELLI
分类号
F04C2/16;(IPC1-7):F01C1/16;F03C3/00;F04C1/10
主分类号
F04C2/16
代理机构
代理人
主权项
地址
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