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发明名称
Self-filling sac pen
摘要
申请公布号
US1798046(A)
申请公布日期
1931.03.24
申请号
US19290406332
申请日期
1929.11.11
申请人
THE MENTMORE MANUFACTURING COMPANY, LIMITED
发明人
SWEETSER GEORGE
分类号
B43K5/04
主分类号
B43K5/04
代理机构
代理人
主权项
地址
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