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发明名称
Writing instrument
摘要
申请公布号
US1992961(A)
申请公布日期
1935.03.05
申请号
US19330661485
申请日期
1933.03.18
申请人
MAX GRILL
发明人
MICHAEL EDWARD F. L.
分类号
B43K27/08
主分类号
B43K27/08
代理机构
代理人
主权项
地址
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