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经营范围
发明名称
GASREGELHAHN.
摘要
申请公布号
DE1647814(U)
申请公布日期
1952.12.11
申请号
DE1951K006214U
申请日期
1951.09.11
申请人
W. KREFFT AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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