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发明名称
Steamship ticket
摘要
申请公布号
US1790033(A)
申请公布日期
1931.01.27
申请号
US19270204201
申请日期
1927.07.08
申请人
VOELCKER CARL S
发明人
VOELCKER CARL S.
分类号
B42D15/00
主分类号
B42D15/00
代理机构
代理人
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地址
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