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发明名称
Spindle
摘要
申请公布号
US2521427(A)
申请公布日期
1950.09.05
申请号
US19450636353
申请日期
1945.12.21
申请人
VICTOR ANIMATOGRAPH CORPORATION
发明人
VICTOR ALEXANDER F.
分类号
G03B21/43
主分类号
G03B21/43
代理机构
代理人
主权项
地址
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