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发明名称
CHECK AND CHECK-SELECTING DEVICE
摘要
申请公布号
CA399744(A)
申请公布日期
1941.09.30
申请号
CAD399744
申请日期
申请人
WILLIAM K. SCHAUWEKER
发明人
WILLIAM K. SCHAUWEKER
分类号
主分类号
代理机构
代理人
主权项
地址
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