发明名称 |
Light holder for cameras |
摘要 |
|
申请公布号 |
US2532075(A) |
申请公布日期 |
1950.11.28 |
申请号 |
US19460662750 |
申请日期 |
1946.04.17 |
申请人 |
COLUMBIA ENTERPRISES |
发明人 |
POWELL HERMAN |
分类号 |
G03B15/03 |
主分类号 |
G03B15/03 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|
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