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发明名称
Sicherung gegen den Ruecktritt eines Mediumsí¬Luft, Gas oder Fluessigkeití¬in einer Rohrleitung
摘要
申请公布号
DE723391(C)
申请公布日期
1942.08.04
申请号
DE1938W104535D
申请日期
1938.11.11
申请人
ERNST WEESE
发明人
WEESE ERNST
分类号
A62C4/02
主分类号
A62C4/02
代理机构
代理人
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地址
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