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经营范围
发明名称
Propelling pencil
摘要
申请公布号
US2211372(A)
申请公布日期
1940.08.13
申请号
US19370173611
申请日期
1937.11.09
申请人
FARRINGTON, ROSE & COMPANY LIMITED
发明人
FARRINGTON HASTINGS MACLEOD
分类号
B43K21/04
主分类号
B43K21/04
代理机构
代理人
主权项
地址
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