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发明名称
Selectively positionable sign
摘要
申请公布号
US3250032(A)
申请公布日期
1966.05.10
申请号
US19640416261
申请日期
1964.12.07
申请人
GAL JR GEORGE E VON;OWENS GEORGE H;ALEXANDER CHARLES E
发明人
JR. GEORGE E. VON GAL,;OWENS GEORGE H.;ALEXANDER CHARLES E.
分类号
E01F9/011;G09F7/22
主分类号
E01F9/011
代理机构
代理人
主权项
地址
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