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发明名称
Vorrichtung zur Selbstentleerung von Membranpumpen
摘要
申请公布号
DE673298(C)
申请公布日期
1939.03.23
申请号
DE1937F082689D
申请日期
1937.03.17
申请人
RUDOLF FLENDER
发明人
FLENDER RUDOLF
分类号
F04B53/04;F04B53/10
主分类号
F04B53/04
代理机构
代理人
主权项
地址
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