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发明名称
Weathering testing device
摘要
申请公布号
US2442759(A)
申请公布日期
1948.06.08
申请号
US19450629684
申请日期
1945.11.19
申请人
ROBERT DAVIE
发明人
DAVIE ROBERT
分类号
G01N17/00
主分类号
G01N17/00
代理机构
代理人
主权项
地址
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