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发明名称
摘要
申请公布号
FR2271872(B1)
申请公布日期
1982.09.17
申请号
FR19750015016
申请日期
1975.05.14
申请人
AIR PRODUCTS CHEMICAL INC
发明人
分类号
B02C21/00;B02C23/14;B02C23/20;B03B9/06;C22B7/00;(IPC1-7):02C18/40;02C19/18;03C1/00
主分类号
B02C21/00
代理机构
代理人
主权项
地址
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