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发明名称
The use of asymetric membranes in delivery devices
摘要
申请公布号
EG19189(A)
申请公布日期
1994.11.30
申请号
EG19890000421
申请日期
1989.08.29
申请人
PFIZER INC.
发明人
CARDINAL JOHN R.
分类号
A61J3/00;A61K9/00;A61K9/22;A61K9/28;A61K9/32;A61K9/36;A61K9/48;A61K9/50;A61K9/52;A61K9/62;A61K45/08;(IPC1-7):A61K9/22
主分类号
A61J3/00
代理机构
代理人
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地址
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