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发明名称
ROTARY PUMP
摘要
申请公布号
PL118560(B1)
申请公布日期
1981.10.31
申请号
PL19770199397
申请日期
1977.07.05
申请人
发明人
分类号
F04D29/12;F04D29/22;F04D29/60;F04D29/62;F16J15/34;F16J15/36;(IPC1-7):F04D1/00
主分类号
F04D29/12
代理机构
代理人
主权项
地址
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