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发明名称
Gelatin preparation
摘要
申请公布号
US2413815(A)
申请公布日期
1947.01.07
申请号
US19410373943
申请日期
1941.01.10
申请人
EPSTEIN ALBERT A
发明人
EPSTEIN ALBERT A.
分类号
C09H3/02;C09H5/00
主分类号
C09H3/02
代理机构
代理人
主权项
地址
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