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发明名称
Marking implement
摘要
申请公布号
US2228540(A)
申请公布日期
1941.01.14
申请号
US19400362959
申请日期
1940.10.26
申请人
STURM FRED A
发明人
STURM FRED A.
分类号
B43K1/08;B43K7/02
主分类号
B43K1/08
代理机构
代理人
主权项
地址
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