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发明名称
PUSH-BUTTON CARD
摘要
申请公布号
US3425619(A)
申请公布日期
1969.02.04
申请号
USD3425619
申请日期
1967.03.01
申请人
WEST VIRGINIA PULP & PAPER CO.
发明人
LOUIS C. WOYCE JR.
分类号
B42D15/08;(IPC1-7):B42D15/04;B42F1/00
主分类号
B42D15/08
代理机构
代理人
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