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发明名称
SCREW-TYPE HYDRAULIC DEVICE
摘要
申请公布号
PL112857(B1)
申请公布日期
1980.11.29
申请号
PL19770201517
申请日期
1977.10.14
申请人
发明人
分类号
F04C2/16;F01C1/16;F03C2/08;F04C15/00;F04C18/16;(IPC1-7):F04C1/10
主分类号
F04C2/16
代理机构
代理人
主权项
地址
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