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发明名称
摘要
申请公布号
BE697921(A)
申请公布日期
1967.10.16
申请号
BE19670697921
申请日期
1967.05.02
申请人
发明人
分类号
C07C7/00;F25J1/02;F25J3/02
主分类号
C07C7/00
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代理人
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地址
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