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摘要
申请公布号
US1859041(A)
申请公布日期
1932.05.17
申请号
US19310538095
申请日期
1931.05.18
申请人
KELLY EDWARD A
发明人
KELLY EDWARD A.
分类号
B42D5/00;B42D5/02
主分类号
B42D5/00
代理机构
代理人
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