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发明名称
摘要
申请公布号
FR2155633(A5)
申请公布日期
1973.05.18
申请号
FR19720035488
申请日期
1972.10.06
申请人
KRUPP FRIED GMBH
发明人
分类号
E01B25/00;B61L11/08;E01B25/34;(IPC1-7):B61B13/00
主分类号
E01B25/00
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