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发明名称
Book
摘要
申请公布号
US1777637(A)
申请公布日期
1930.10.07
申请号
US19260147049
申请日期
1926.11.08
申请人
FELEY HENRY N
发明人
FELEY HENRY N.
分类号
B42F13/12
主分类号
B42F13/12
代理机构
代理人
主权项
地址
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