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发明名称
Film feeding device
摘要
申请公布号
US2152221(A)
申请公布日期
1939.03.28
申请号
US19360102109
申请日期
1936.09.23
申请人
SIEMENS & HALSKE, AKTIENGESELLSCHAFT
发明人
STEINER OTTO
分类号
G03B1/22
主分类号
G03B1/22
代理机构
代理人
主权项
地址
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