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发明名称
CRYSTALLINE,POROUS BOROSILICATE ISOSTRUCTURAL WITH LEVYNIT
摘要
申请公布号
GB8927013(D0)
申请公布日期
1990.01.17
申请号
GB19890027013
申请日期
1989.11.29
申请人
ENIRICERCHE S P A
发明人
分类号
B01J29/86;C01B35/12;C01B39/12
主分类号
B01J29/86
代理机构
代理人
主权项
地址
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