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发明名称
Pencil ferrule
摘要
申请公布号
US1920680(A)
申请公布日期
1933.08.01
申请号
US19330670255
申请日期
1933.05.10
申请人
THE WATERBURY BRASS GOODS CORPORATION
发明人
DAVIS ALBERT L.
分类号
B43K29/02
主分类号
B43K29/02
代理机构
代理人
主权项
地址
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