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发明名称
VORRICHTUNG ZUR MESSUNG DER RAUCHDICHTE IN SCHORNSTEINEN.
摘要
申请公布号
DE1978404(U)
申请公布日期
1968.02.08
申请号
DE196400S8176U
申请日期
1964.03.17
申请人
ERWIN SICK
发明人
ERWIN SICK
分类号
主分类号
代理机构
代理人
主权项
地址
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