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发明名称
Adjustable perforated print shovel
摘要
申请公布号
US2149630(A)
申请公布日期
1939.03.07
申请号
US19380209002
申请日期
1938.05.20
申请人
HANS RICHTER
发明人
RICHTER HANS
分类号
G03D3/04;G03D13/04
主分类号
G03D3/04
代理机构
代理人
主权项
地址
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