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发明名称
THERMOPLASTICS SHEETS OR COMPOSITE SHEETS WITH OPTICAL INHOMOGENEITIES
摘要
申请公布号
US4098940(A)
申请公布日期
1978.07.04
申请号
US19760719193
申请日期
1976.08.31
申请人
HOECHST AKTIENGESELLSCHAFT
发明人
GROH, RUDOLF;MEINEL, GUSTAV
分类号
G06K19/10;B29C61/00;B29C67/00;B29C69/00;B29D11/00;B32B7/02;B32B27/12;G02B27/28;G09F3/02;(IPC1-7):B42D15/00;B32B7/00;A44C3/00
主分类号
G06K19/10
代理机构
代理人
主权项
地址
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