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发明名称
Copy holder
摘要
申请公布号
US2153103(A)
申请公布日期
1939.04.04
申请号
US19360087546
申请日期
1936.06.26
申请人
STEVENS HAYES C
发明人
STEVENS HAYES C.
分类号
B41J29/15
主分类号
B41J29/15
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代理人
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