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发明名称
Cylindrical scanning
摘要
申请公布号
US1815105(A)
申请公布日期
1931.07.21
申请号
US19300462667
申请日期
1930.06.20
申请人
WALTER HOWEY
发明人
HOWEY WALTER
分类号
B41C1/04
主分类号
B41C1/04
代理机构
代理人
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地址
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