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发明名称
CARD HOLDING DEVICE
摘要
申请公布号
CA963757(A)
申请公布日期
1975.03.04
申请号
CA19720147030
申请日期
1972.07.13
申请人
SUN RESEARCH AND DEVELOPMENT CO.
发明人
SHOAF, GERALD H.
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主分类号
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