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发明名称
Film handling apparatus
摘要
申请公布号
US2009443(A)
申请公布日期
1935.07.30
申请号
US19340706438
申请日期
1934.01.12
申请人
FOSTER
发明人
FOSTER WARREN DUNHAM;COMPANY PEOPLES-PITTSBURGH TRUST
分类号
G03B21/18;G03B21/50
主分类号
G03B21/18
代理机构
代理人
主权项
地址
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