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经营范围
发明名称
Equipment or attachment to expedite handling of cards in large lots for inspection of same
摘要
申请公布号
US1785815(A)
申请公布日期
1930.12.23
申请号
US19280285754
申请日期
1928.06.15
申请人
KURTZ JR DANIEL W B
发明人
JR. DANIEL W. B. KURTZ,
分类号
B42F17/00
主分类号
B42F17/00
代理机构
代理人
主权项
地址
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