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发明名称
Writing tool
摘要
申请公布号
US3262426(A)
申请公布日期
1966.07.26
申请号
US19650449476
申请日期
1965.04.20
申请人
GEBRUDER SCHMIDT
发明人
BROSS HELMUT
分类号
B43K24/16
主分类号
B43K24/16
代理机构
代理人
主权项
地址
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