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发明名称
Clutch mechanism for lead carrier of magazine pencils
摘要
申请公布号
US2300836(A)
申请公布日期
1942.11.03
申请号
US19400363255
申请日期
1940.10.29
申请人
SAMUEL JACOBS;JULES JACOBS
发明人
WHITE GEORGE W.
分类号
B43K21/06
主分类号
B43K21/06
代理机构
代理人
主权项
地址
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