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经营范围
发明名称
Perfectionnements aux lentilles destinées à concentrer la chaleur solaire
摘要
申请公布号
FR726635(A)
申请公布日期
1932.06.01
申请号
FRD726635
申请日期
1931.11.23
申请人
发明人
YLLA-CONTE JOSE
分类号
G02B3/08
主分类号
G02B3/08
代理机构
代理人
主权项
地址
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