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发明名称
COVERED BUTTONS, BUCKLES AND THE LIKE
摘要
申请公布号
CA509578(A)
申请公布日期
1955.01.25
申请号
CAD509578
申请日期
申请人
C.E.M. COMPANY
发明人
HERMAN KOEHL;HANS AUGUST PRYM
分类号
主分类号
代理机构
代理人
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