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发明名称
Perfectionnements apportés aux dispositifs transparents séparant des milieux de températures différentes
摘要
申请公布号
FR794319(A)
申请公布日期
1936.02.13
申请号
FRD794319
申请日期
1934.11.20
申请人
SOCIETE DES ATELIERS ROGER DE MAGONDEAUX & CIE
发明人
分类号
G02C11/08
主分类号
G02C11/08
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代理人
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