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发明名称
TWIST-ACTION RETRACTING MECHANISM FOR USE IN WRITING INSTRUMENTS
摘要
申请公布号
US3672783(A)
申请公布日期
1972.06.27
申请号
USD3672783
申请日期
1970.08.25
申请人
ACCUTEC INC.
发明人
HAROLD F. BAJUSZ
分类号
B43K24/06;(IPC1-7):B43K24/06
主分类号
B43K24/06
代理机构
代理人
主权项
地址
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