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经营范围
发明名称
Film advance grip
摘要
申请公布号
US3408911(A)
申请公布日期
1968.11.05
申请号
US19650472836
申请日期
1965.07.19
申请人
ARTHUR L. RAMOS
发明人
RAMOS ARTHUR L.
分类号
G03B9/58;G03B13/20;G03B17/56
主分类号
G03B9/58
代理机构
代理人
主权项
地址
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