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经营范围
发明名称
RELEASABLE DISPLAY CARD MOUNTING METHOD
摘要
申请公布号
US3453760(A)
申请公布日期
1969.07.08
申请号
USD3453760
申请日期
1966.06.13
申请人
WILLIAM K. SONNE
发明人
WILLIAM K. SONNE
分类号
B42D1/08;G09B29/00;(IPC1-7):G09F1/10;G09F11/30
主分类号
B42D1/08
代理机构
代理人
主权项
地址
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