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发明名称
Pumpe mit querschnittveraenderbarer Kolbendichtung
摘要
申请公布号
DE849800(C)
申请公布日期
1952.09.18
申请号
DE1950N003058
申请日期
1950.10.28
申请人
SEIBERT FRIEDRICH
发明人
SEIBERT FRIEDRICH
分类号
F04B19/02;F04B53/14
主分类号
F04B19/02
代理机构
代理人
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地址
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