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发明名称
Pocketbook
摘要
申请公布号
US1983266(A)
申请公布日期
1934.12.04
申请号
US19320628039
申请日期
1932.08.09
申请人
MAX BERKOWITZ
发明人
BERKOWITZ MAX
分类号
A45C1/08
主分类号
A45C1/08
代理机构
代理人
主权项
地址
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