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发明名称
Pad roller mounting
摘要
申请公布号
US1957164(A)
申请公布日期
1934.05.01
申请号
US19290370398
申请日期
1929.06.03
申请人
INTERNATIONAL PROJECTOR CORPORATION
发明人
FRAPPIER LOUIS SIMON;BOECKING EWALD
分类号
G03B1/42
主分类号
G03B1/42
代理机构
代理人
主权项
地址
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