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发明名称
Web supply means
摘要
申请公布号
US2034838(A)
申请公布日期
1936.03.24
申请号
US19320643847
申请日期
1932.11.22
申请人
SCOTT DAVID J
发明人
SCOTT DAVID J.
分类号
B65H19/18
主分类号
B65H19/18
代理机构
代理人
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