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发明名称
Printing roller testing device
摘要
申请公布号
US2617356(A)
申请公布日期
1952.11.11
申请号
US19500146968
申请日期
1950.03.01
申请人
MEYER LEONARD S
发明人
MEYER LEONARD S.
分类号
G01N33/26
主分类号
G01N33/26
代理机构
代理人
主权项
地址
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