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发明名称
MEHRTEILIGES FEDERBELASTETES SPERR- UND DURCHLASSVENTIL.
摘要
申请公布号
DE1751471(U)
申请公布日期
1957.08.29
申请号
DE195700ST832U
申请日期
1957.05.02
申请人
FRIEDHELM STRATMANN
发明人
FRIEDHELM STRATMANN
分类号
主分类号
代理机构
代理人
主权项
地址
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