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发明名称
Zusammengesetzter Kolbenring
摘要
申请公布号
DE1055307(B)
申请公布日期
1959.04.16
申请号
DE1955D021712
申请日期
1955.11.17
申请人
MAX DEVENTER
发明人
DEVENTER MAX
分类号
F16J9/14
主分类号
F16J9/14
代理机构
代理人
主权项
地址
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