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发明名称
Automatic actuating mechanism
摘要
申请公布号
US2219636(A)
申请公布日期
1940.10.29
申请号
US19380233303
申请日期
1938.10.04
申请人
KARL SCHWARTZ
发明人
SCHWARTZ KARL
分类号
G03B9/58
主分类号
G03B9/58
代理机构
代理人
主权项
地址
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