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发明名称
PREPARATION OF PRECAST ELEMENTS
摘要
申请公布号
GB8621276(D0)
申请公布日期
1986.10.08
申请号
GB19860021276
申请日期
1986.09.03
申请人
CESKOSLOVENSKA AKADEMIE VED
发明人
分类号
C08J7/02;G02B1/04;(IPC1-7):G02C7/04
主分类号
C08J7/02
代理机构
代理人
主权项
地址
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