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发明名称
Printing block assembly
摘要
申请公布号
US2811784(A)
申请公布日期
1957.11.05
申请号
US19540465506
申请日期
1954.10.29
申请人
HARPER SR SAMUEL BURGESS
发明人
SR. SAMUEL BURGESS HARPER,
分类号
B41N6/00
主分类号
B41N6/00
代理机构
代理人
主权项
地址
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