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发明名称
ABSPERRHAHN MIT SELBSTTAETIGER ENTLEERUNG.
摘要
申请公布号
DE1662328(U)
申请公布日期
1953.08.27
申请号
DE195300W7472U
申请日期
1953.03.21
申请人
WEICHBRODT & FRIEDRICH
发明人
分类号
主分类号
代理机构
代理人
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