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发明名称
摘要
申请公布号
DE2047111(A1)
申请公布日期
1971.04.08
申请号
DE19702047111
申请日期
1970.09.18
申请人
DRESSER IND
发明人
分类号
B61G7/14;B61G5/08;(IPC1-7):B61G5/06
主分类号
B61G7/14
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