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发明名称
摘要
申请公布号
FR2117236(A5)
申请公布日期
1972.07.21
申请号
FR19710043111
申请日期
1971.12.01
申请人
WIBAU WESTDEUTSCHE IND
发明人
分类号
F22B21/26;F28D7/02;(IPC1-7):F24H1/00
主分类号
F22B21/26
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