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发明名称
Stencil knife
摘要
申请公布号
US2250237(A)
申请公布日期
1941.07.22
申请号
US19400336636
申请日期
1940.05.22
申请人
SCHWARTZKOPF WALTER G
发明人
SCHWARTZKOPF WALTER G.
分类号
B26B3/04
主分类号
B26B3/04
代理机构
代理人
主权项
地址
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