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经营范围
发明名称
Doubles fenêtres et doubles portes
摘要
申请公布号
FR774683(A)
申请公布日期
1934.12.11
申请号
FRD774683
申请日期
1934.06.07
申请人
VIKTOR GRETSCH, BAUBESCHLAG INDUSTRIE G.M.B.H.
发明人
分类号
E06B3/26;E06B3/52
主分类号
E06B3/26
代理机构
代理人
主权项
地址
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