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发明名称
MICROPOROUS FILMS AND THEIR PRODUCTION
摘要
申请公布号
GB1287505(A)
申请公布日期
1972.08.31
申请号
GB19700054057
申请日期
1970.11.13
申请人
CELANESE CORPORATION
发明人
分类号
B29C55/02;B29C55/06
主分类号
B29C55/02
代理机构
代理人
主权项
地址
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