发明名称 |
Moving picture projector |
摘要 |
|
申请公布号 |
US1839315(A) |
申请公布日期 |
1932.01.05 |
申请号 |
US19280273014 |
申请日期 |
1928.04.26 |
申请人 |
ABE MASKOW |
发明人 |
HOOVER HARRY |
分类号 |
G03B21/32 |
主分类号 |
G03B21/32 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
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