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发明名称
APPARATUS FOR PRODUCING VACUUM IN A PIPELINE NETWORK HAVING CONNECTIONS AT WORKSTANDS IN PARTICULAR THOSE OF LABORATORY NATURE
摘要
申请公布号
PL134743(B1)
申请公布日期
1985.09.30
申请号
PL19810229320
申请日期
1981.01.22
申请人
发明人
分类号
B01L1/02;F04B37/20;F04F;F04F1/14;(IPC1-7):F04F1/14
主分类号
B01L1/02
代理机构
代理人
主权项
地址
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