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发明名称
Automatic dimming device
摘要
申请公布号
US1881521(A)
申请公布日期
1932.10.11
申请号
US19280302522
申请日期
1928.08.28
申请人
JOSEPH GSTYR;ERNEST WILDHABER
发明人
GSTYR JOSEPH;WILDHABER ERNEST
分类号
B60Q1/14
主分类号
B60Q1/14
代理机构
代理人
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