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发明名称
REGISTRATION BOARD
摘要
申请公布号
US3568260(A)
申请公布日期
1971.03.09
申请号
USD3568260
申请日期
1969.05.07
申请人
MAXWELL B. ROBERTS
发明人
MAXWELL B. ROBERTS
分类号
B41F1/34;(IPC1-7):A44B21/00
主分类号
B41F1/34
代理机构
代理人
主权项
地址
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