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发明名称
RING PENJILID
摘要
申请公布号
ID19945(A)
申请公布日期
1998.08.27
申请号
ID19980000266
申请日期
1998.02.25
申请人
U.S RING BINDER CORP
发明人
PAUL WHALEY
分类号
B42F13/26;(IPC1-7):B42F13/22
主分类号
B42F13/26
代理机构
代理人
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