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发明名称
摘要
申请公布号
FR2020861(A1)
申请公布日期
1970.07.17
申请号
FR19690035506
申请日期
1969.10.16
申请人
JOHN GUSTAV;JOHN KLAUS
发明人
分类号
F04B45/04;F04B45/047;F04B49/02;(IPC1-7):F04B43/00;B60C23/00
主分类号
F04B45/04
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