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发明名称
Writing device
摘要
申请公布号
US2359195(A)
申请公布日期
1944.09.26
申请号
US19430495562
申请日期
1943.07.21
申请人
MARTIN BERLINER;ALFRED MATLAS
发明人
BERLINER MARTIN;MATLAS ALFRED
分类号
B43L1/12
主分类号
B43L1/12
代理机构
代理人
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地址
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