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经营范围
发明名称
Fountain pen valve
摘要
申请公布号
US2098528(A)
申请公布日期
1937.11.09
申请号
US19360081453
申请日期
1936.05.23
申请人
ANDREWS ANATOL N
发明人
ANDREWS ANATOL N.
分类号
B43K5/18
主分类号
B43K5/18
代理机构
代理人
主权项
地址
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