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发明名称
Retractable multiple unit writing instrument
摘要
申请公布号
US3164132(A)
申请公布日期
1965.01.05
申请号
US19620209701
申请日期
1962.07.13
申请人
CHROMATIC CORPORATION
发明人
GANZ WALTER C.
分类号
B43K24/10
主分类号
B43K24/10
代理机构
代理人
主权项
地址
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