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发明名称
UEBERWURF-VERSCHRAUBUNG, INSBESONDERE FUER OBERFLAECHENVEREDELTE ARMATURENTEILE VON GAS-WASSERHEIZERN.
摘要
申请公布号
DE1703331(U)
申请公布日期
1955.07.28
申请号
DE195400V4209U
申请日期
1954.06.22
申请人
JOH. VAILLANT K.G.
发明人
分类号
主分类号
代理机构
代理人
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