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发明名称
Wasserableitungseinrichtung für Dächer, mit Heizvorrichtung zum Schmelzen von Schnee und Eis.
摘要
申请公布号
CH212369(A)
申请公布日期
1940.11.30
申请号
CHD212369
申请日期
1939.05.02
申请人
SCHWEIZERISCHE DRAHT- & GUMMIWERKE
发明人
GUMMIWERKE SCHWEIZERISCHE DRAHT- &
分类号
E04D13/076;E04D13/10
主分类号
E04D13/076
代理机构
代理人
主权项
地址
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