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经营范围
发明名称
Multiplate transparency
摘要
申请公布号
US2077305(A)
申请公布日期
1937.04.13
申请号
US19350039774
申请日期
1935.09.09
申请人
BATCHELL GEORGE W
发明人
BATCHELL GEORGE W.
分类号
E06B3/663;E06B3/677
主分类号
E06B3/663
代理机构
代理人
主权项
地址
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