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发明名称
Protective and feeding arrangement for rolled picture or text strips
摘要
申请公布号
US2788594(A)
申请公布日期
1957.04.16
申请号
US19520322481
申请日期
1952.11.25
申请人
VALDEMAR LEVANDER EINAR GUNNAR
发明人
LEVANDER EINAR GUNNAR VALDEMAR
分类号
G09B29/06
主分类号
G09B29/06
代理机构
代理人
主权项
地址
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