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发明名称
INDICATOR OF FAILURE OF WORKING DIAPHRAGM IN DIAPHRAGM PUMP,ESPECIALLY FOR SULFUR
摘要
申请公布号
PL142209(B1)
申请公布日期
1987.09.30
申请号
PL19840246111
申请日期
1984.02.06
申请人
发明人
分类号
F04B;F04B49/10;(IPC1-7):F04B49/10
主分类号
F04B
代理机构
代理人
主权项
地址
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