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日期:——
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IMPREGNATED POROUS GRANULES FOR CONTROLLED RELEASE OF LIQUID MATERIAL AND PROCESS THEREFOR
申请人:ZENECA INC.
公开号:EP0523198B1
公开(公告)日:1997-01-22
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US4956487A
申请人:——
公开号:US4956487A
公开(公告)日:1990-09-11