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发明名称
SHAFT SEAL PROTECTION DEVICE FOR SUBMERGED PUMP OR BLOWER
摘要
申请公布号
JPH04358794(A)
申请公布日期
1992.12.11
申请号
JP19910160999
申请日期
1991.06.04
申请人
TSURUMI MFG CO LTD
发明人
TANAKA SHIZUO
分类号
F04D13/08;F04D29/10
主分类号
F04D13/08
代理机构
代理人
主权项
地址
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